Outlook

October 2026

• Fri 9 Oct New and changed features Roadmap change · Outlook: Agents for Microsoft 365 Copilot available in Copilot Chat in Outlook for Mac
• Fri 9 Oct New and changed features Launched · Outlook: Agents for Microsoft 365 Copilot available in Copilot Chat in Outlook for Mac
• Thu 8 Oct New and changed features Roadmap entry · Outlook: Agents for Microsoft 365 Copilot available in Copilot Chat in Outlook for Mac
• Thu 8 Oct New and changed features Roadmap entry · Outlook: Upcoming visual improvements and a more consistent Outlook experience
• Wed 7 Oct New and changed features Now rolling out · Outlook: User-initiated Copilot insights in classic Outlook
• Wed 7 Oct New and changed features Now rolling out · Outlook: Choose to Show Unread or Total Count for Each Folder
• Wed 7 Oct New and changed features Now rolling out · Outlook: Right-click to customize the classic ribbon
• Wed 7 Oct New and changed features Launched · Outlook: Data Loss Prevention (DLP) Policy Tips & Override in Outlook for Mac
• Tue 6 Oct New and changed features Roadmap entry · Outlook: User-initiated Copilot insights in classic Outlook
• Tue 6 Oct New and changed features Roadmap entry · Outlook: Data Loss Prevention (DLP) Policy Tips & Override in Outlook for Mac
• Tue 6 Oct New and changed features Roadmap entry · Outlook: Choose to Show Unread or Total Count for Each Folder
• Tue 6 Oct New and changed features Roadmap entry · Outlook: Right-click to customize the classic ribbon
• Tue 6 Oct New and changed features Launched · Outlook: New Outlook for Windows for GCC-H and DoD
• Tue 6 Oct New and changed features Launched · Outlook: Improved PDF Preview on iOS
• Mon 5 Oct New and changed features Roadmap entry · Outlook: New Outlook for Windows for GCC-H and DoD
• Mon 5 Oct New and changed features Roadmap entry · Outlook: Improved PDF Preview on iOS
• Fri 2 Oct Issues and security Status: INVESTIGATING → FIXED · [FIXED] Voicemail audio attachments might not be visible in classic Outlook
• Fri 2 Oct New and changed features Roadmap entry · Outlook: Draft, edit and format emails conversationally with Copilot in Outlook
• Thu 1 Oct New and changed features Launched · Outlook: Follow meetings in Outlook mobile
• Thu 1 Oct New and changed features Launched · Outlook: Keep Invitations After Responding in Outlook Mobile
• Thu 1 Oct New and changed features Launched · Outlook: Work week view for Outlook iOS and iPad
• Thu 1 Oct New and changed features Launched · Outlook: Drag and Drop
• Thu 1 Oct New and changed features Launched · Outlook: Filter Messages by Events
• Oct 2026 Issues and security Office known issue · [FIXED] Voicemail audio attachments might not be visible in classic Outlook

September 2026

• Wed 30 Sep New and changed features Roadmap entry · Outlook: Follow meetings in Outlook mobile
• Wed 30 Sep New and changed features Roadmap entry · Outlook: Keep Invitations After Responding in Outlook Mobile
• Wed 30 Sep New and changed features Roadmap entry · Outlook: Work week view for Outlook iOS and iPad
• Wed 30 Sep New and changed features Roadmap entry · Outlook: Drag and Drop
• Wed 30 Sep New and changed features Roadmap entry · Outlook: Filter Messages by Events
• Tue 29 Sep New and changed features Date moved later · Outlook: New Copilot entry point in Classic Outlook
• Mon 28 Sep New and changed features Roadmap entry · Outlook: New Copilot entry point in Classic Outlook
• Mon 28 Sep New and changed features Roadmap entry · Outlook: Send availability in Outlook mobile apps
• Fri 25 Sep New and changed features Roadmap entry · Microsoft Copilot (Microsoft 365): Copilot Chat in Outlook expands to reason over inbox, calendar, and enterprise data
• Thu 24 Sep New and changed features Roadmap entry · Outlook: Insert Symbol
• Wed 23 Sep New and changed features Roadmap entry · Outlook: Duplicate events in Outlook mobile apps
• Thu 17 Sep New and changed features Roadmap entry · Outlook: Multi Account Search
• Wed 16 Sep New and changed features Roadmap entry · Outlook: Enriching profile cards with custom, organization-specific properties
• Tue 15 Sep New and changed features Roadmap entry · Outlook: Spell check before sending emails in new Outlook
• Mon 14 Sep New and changed features Roadmap entry · Outlook: Copilot Settings in classic Outlook for Windows
• Mon 14 Sep New and changed features Roadmap entry · Outlook: New Cloud Policy controls
• Fri 11 Sep New and changed features Roadmap entry · Outlook: Co-Authoring Highlight and Rewrite
• Wed 9 Sep New and changed features Roadmap entry · Outlook: Inline chat for email drafting
• Tue 8 Sep New and changed features Roadmap entry · Outlook: Categorize Emails by Dragging Them onto a Favorite Category
• Wed 2 Sep New and changed features Roadmap entry · Microsoft Copilot (Microsoft 365): Meeting Prepare from Up Next
• Sep 2026 Issues and security Office known issue · [INVESTIGATING] Copilot buttons are missing in classic Outlook for Windows
• Sep 2026 Issues and security Office known issue · [WORKAROUND] Public Holiday Calendars Missing Dates After June 2026 in Outlook
• Tue 1 Sep New and changed features Roadmap entry · Outlook: Share Word, Excel, and PowerPoint local files via the new Outlook for Windows
• Sep 2026 Issues and security Office known issue · [FIXED] How to revert the Outlook Desktop WebView based Room Finder to the legacy Room Finder

August 2026

• Thu 27 Aug New and changed features Roadmap entry · Outlook: Offline settings "Days of email to save" admin policy
• Wed 26 Aug New and changed features Roadmap entry · Outlook: Automatically display auto-mapped calendars
• Wed 26 Aug New and changed features Roadmap entry · Outlook: Print calendar events in new Outlook and Teams
• Tue 25 Aug New and changed features Roadmap entry · Outlook: 1-year and 2-year options for email sync window (Offline settings)
• Mon 24 Aug New and changed features Roadmap entry · Outlook: Manage Multiple Inbox Rules at Once
• Mon 24 Aug New and changed features Roadmap entry · Outlook: Purview Data Loss Prevention support for Calendar Events in Outlook mobile apps
• Mon 24 Aug New and changed features Roadmap entry · Outlook: Purview DLP Wait-on-Send Support for Outlook mobile apps
• Mon 24 Aug New and changed features Roadmap entry · Outlook: Purview DLP Wait-on-Send Support for Mac
• Thu 20 Aug New and changed features Roadmap entry · Outlook: Purview Data Loss Prevention support for Calendar Events in Outlook for Mac
• Mon 17 Aug New and changed features Roadmap entry · Outlook: Change the organizer of a meeting
• Wed 12 Aug New and changed features Roadmap entry · Outlook: Support for AppleScript in the New Outlook for Mac
• Wed 12 Aug New and changed features Roadmap entry · Outlook: Jump to Any Folder Instantly with Go to Folder
• Fri 7 Aug New and changed features Roadmap entry · Outlook: Purview Label Inheritance from Email Attachment for iOS and Android
• Fri 7 Aug New and changed features Roadmap entry · Outlook: Microsoft Purview Label Inheritance from Email Attachments
• Fri 7 Aug New and changed features Roadmap entry · Outlook: Language support for Summarize in Classic Outlook
• Thu 6 Aug New and changed features Roadmap entry · Outlook: Import support for data files in Outlook
• Thu 6 Aug New and changed features Roadmap entry · Outlook: Enhanced user interface updates for iPhone and iPad
• Tue 4 Aug New and changed features Roadmap entry · Outlook: Copilot now provides concise summaries with Outlook search results
• Tue 4 Aug New and changed features Roadmap entry · Outlook: Insert Signature Image from OneDrive
• Aug 2026 Issues and security Office known issue · [FIXED] Error when opening encrypted email in classic Outlook for Windows
• Aug 2026 Issues and security Office known issue · [FIXED] Copilot Chat shows three dots in classic Outlook for Windows

July 2026

• Thu 30 Jul New and changed features Roadmap entry · Outlook: Expanded Conditions for Conditional Formatting in the New Outlook for Web and Windows
• Thu 30 Jul New and changed features Roadmap entry · Outlook: Clear & Flag Actions in New Outlook
• Tue 28 Jul New and changed features Roadmap entry · Outlook: Delimiter setting admin policy
• Tue 28 Jul New and changed features Roadmap entry · Outlook: Copilot Chat pop-out for Outlook for Mac and iPad
• Fri 17 Jul New and changed features Roadmap entry · Outlook: All Day events to show up more clearly in the Mail module Calendar Preview
• Wed 15 Jul New and changed features Roadmap entry · Outlook: Emails marked with External to be supported as Rules conditions
• Mon 13 Jul New and changed features Roadmap entry · Outlook: add attachments while offline in the new Outlook for Windows
• Fri 10 Jul New and changed features Roadmap entry · Outlook: Import emails from PST file to mailbox in new Outlook for Windows
• Fri 10 Jul New and changed features Roadmap entry · Outlook: Read-only access to contacts within a PST file in new Outlook for Windows
• Fri 10 Jul New and changed features Roadmap entry · Outlook: Import calendars and contacts from PST file to mailbox in new Outlook for Windows
• Fri 10 Jul New and changed features Roadmap entry · Outlook: Import calendars and contacts from PST file to mailbox in new Outlook for Windows
• Tue 7 Jul New and changed features Roadmap entry · Outlook: Reply with a Template in Rules
• Mon 6 Jul New and changed features Roadmap entry · Outlook: LDAP directory support for S/MIME in New Outlook
• Mon 6 Jul New and changed features Roadmap entry · Outlook: Support for Storing S/MIME Certificates in Contacts in New Outlook
• Mon 6 Jul New and changed features Roadmap entry · Outlook: Variable number of message preview lines
• Mon 6 Jul New and changed features Roadmap entry · Outlook: Notification when not responding to most recent message of email thread
• Thu 2 Jul New and changed features Roadmap entry · Outlook: Improvements to Save Contacts on iPhone and iPad
• Jul 2026 Issues and security Office known issue · [INVESTIGATING] Classic Outlook for Windows might crash when accepting a Shared Calendar invite
• Jul 2026 Issues and security Office known issue · [DESIGN CHANGE] How to use Outlook Support and Recovery Assistant diagnostics in Windows Get Help
• Jul 2026 Issues and security Office known issue · [FIXED] Policy Tips are not displayed for message bodies or attachments in classic Outlook

June 2026

• Fri 26 Jun New and changed features Roadmap entry · Outlook: Account Selector in Outlook Copilot Side Pane
• Fri 19 Jun New and changed features Roadmap entry · Outlook: Multiselect in the New Outlook and Teams calendars
• Fri 19 Jun New and changed features Roadmap entry · Outlook: ICS Preview experience
• Fri 19 Jun New and changed features Roadmap entry · Outlook: Bulk Opening/Closing calendar groups in the left nav
• Thu 18 Jun New and changed features Roadmap entry · Outlook: Copilot provides coaching feedback in chat as you draft, edit and format emails
• Wed 17 Jun New and changed features Roadmap entry · Outlook: Copilot Chat available in shared and delegate mailboxes
• Wed 17 Jun New and changed features Roadmap entry · Outlook: Block External Images Settings Update
• Tue 16 Jun New and changed features Roadmap entry · Outlook: New and Improved People Hub on Web
• Tue 16 Jun New and changed features Roadmap entry · Outlook: Export support for data files in Mac Outlook
• Mon 15 Jun New and changed features Roadmap entry · Outlook: S/MIME support for Shared Mailboxes and Delegate Mailboxes in New Outlook for Windows
• Fri 12 Jun New and changed features Roadmap entry · Outlook: Account Manager
• Tue 9 Jun New and changed features Roadmap entry · Outlook: Font Search in Outlook for iOS
• Tue 9 Jun New and changed features Roadmap entry · Outlook: Font Search in Outlook for Android
• Tue 9 Jun New and changed features Roadmap entry · Outlook: Reply Options for EML Attachments
• Tue 9 Jun New and changed features Roadmap entry · Outlook: Reply Options for EML Attachments
• Tue 9 Jun New and changed features Roadmap entry · Outlook: Add support for Recommended Labels in Outlook mobile
• Tue 9 Jun New and changed features Roadmap entry · Outlook: Add support for Recommended Labels in Outlook mobile
• Tue 9 Jun New and changed features Roadmap entry · Outlook: Improved results when filtering your message list
• Tue 9 Jun New and changed features Roadmap entry · Outlook: Shareable links now show as the document name in meeting descriptions
• Tue 9 Jun New and changed features Roadmap entry · Outlook: Copilot in File Previewer for iOS
• Jun 2026 Issues and security Office known issue · [INVESTIGATING] In AutoComplete, the "X" to remove individual suggested recipients might not work as expected
• Jun 2026 Issues and security Office known issue · [INVESTIGATING] Outlook crashes unexpectedly when using Kaspersky antivirus
• Jun 2026 Issues and security Office known issue · [FIXED] Images are not displayed in emails, newsletters, or signatures in classic Outlook
• Jun 2026 Issues and security Office known issue · [FIXED] Mailbox folders are not syncing with 0x80004005 error

May 2026

• Fri 29 May New and changed features Roadmap entry · Outlook: Mail Merge (Advanced) on Outlook on the Web and new Outlook for Windows
• Fri 29 May New and changed features Roadmap entry · Outlook: Sort improvements to the message list
• Wed 27 May New and changed features Roadmap entry · Outlook: Teammates Calendars in Left Nav in calendar
• Wed 27 May New and changed features Roadmap entry · Outlook: All Accounts view (Unified Inbox) brings your email into a single inbox view
• Tue 26 May New and changed features Roadmap entry · Outlook: Calendar support in Online Archive
• Thu 21 May New and changed features Roadmap entry · Outlook: Navigate Your Favorite Folders Without Expanding the Folder Pane
• Wed 20 May New and changed features Roadmap entry · Outlook: Calendar Conditional Formatting in New Outlook
• Tue 19 May New and changed features Roadmap entry · Outlook: Instantly Find Rules, Quick Steps, and More by Name
• Mon 18 May New and changed features Roadmap entry · Outlook: Calendar mini-month non-consecutive date selection updates
• Mon 18 May New and changed features Roadmap entry · Outlook: Improved handling of disallowed and failed email reactions
• Fri 8 May New and changed features Roadmap entry · Outlook: Export to PDF (preserving sensitivity labels)
• Wed 6 May New and changed features Roadmap entry · Outlook: Draft, edit and format emails conversationally with Copilot in Outlook
• Tue 5 May New and changed features Roadmap entry · Microsoft Copilot (Microsoft 365): Access Copilot Chat in your Microsoft 365 apps
• Mon 4 May New and changed features Roadmap entry · Outlook: Data Loss Prevention (DLP) Policy Tips & Override for Outlook Mobile
• May 2026 Issues and security Office known issue · [FIXED] Copilot Draft fails in classic Outlook with error "Sorry, something went wrong. Copilot is working on it."
• May 2026 Issues and security Office known issue · [FIXED] Office document links opened in classic Outlook might appear to be blank or open with an error
• May 2026 Issues and security Office known issue · [FIXED] Outlook 2024 LTSC crashes opening Viva Engage, Yammer, Power Automate, and other emails
• May 2026 Issues and security Office known issue · [FIXED] Quick Steps are grayed out in classic Outlook when they contain actions that can’t be fulfilled

April 2026

• Wed 29 Apr New and changed features Roadmap entry · Outlook: Triage your inbox on-the-go with Copilot voice for Outlook mobile
• Fri 24 Apr New and changed features Roadmap entry · Microsoft Copilot (Microsoft 365): Copilot Chat in Outlook expands to reason over inbox, calendar, and enterprise data
• Wed 22 Apr New and changed features Roadmap entry · Outlook: Summarize email with Copilot chat in Outlook
• Wed 22 Apr New and changed features Roadmap entry · Outlook: Multiselect events on calendar surface
• Fri 17 Apr New and changed features Roadmap entry · Outlook: Save calendar events as .ics
• Wed 15 Apr New and changed features Roadmap entry · Outlook: Scheduling with Copilot chat in classic Outlook for Windows
• Wed 15 Apr New and changed features Roadmap entry · Outlook: Prepare for meetings with Copilot in classic Outlook for Windows
• Tue 14 Apr New and changed features Roadmap entry · Outlook: Improved results when filtering your message list
• Tue 14 Apr New and changed features Roadmap entry · Outlook: One-step folder sharing
• Mon 13 Apr New and changed features Roadmap entry · Outlook: Replace quick compose pop-up with inline appointment creation in new Outlook for Windows and web
• Fri 10 Apr New and changed features Roadmap entry · Outlook: Expand and collapse folders when moving emails
• Fri 10 Apr New and changed features Roadmap entry · Outlook: See progress when running rules manually in the new Outlook for Windows and Web
• Fri 10 Apr New and changed features Roadmap entry · Outlook: Expand to Full Event Details on iPad
• Wed 8 Apr New and changed features Roadmap entry · Outlook: Upgraded Video and Audio Player for iOS
• Tue 7 Apr New and changed features Roadmap entry · Outlook: Show teammates' calendars in the left navigation pane
• Mon 6 Apr New and changed features Roadmap entry · Outlook: Insert Graphic
• Mon 6 Apr New and changed features Roadmap entry · Outlook: Draft emails using saved email snippets with Quick Parts for Outlook for Windows and web
• Fri 3 Apr New and changed features Roadmap entry · Outlook: Prepare for your meeting with Copilot chat in Outlook mobile
• Apr 2026 Issues and security Office known issue · [FIXED] Auto Translate stopped working in classic Outlook
• Apr 2026 Issues and security Office known issue · [FIXED] Classic Outlook error when sending from Outlook.com "You do not have permission to send on behalf of the specified user 0x80070005-0x0004dc-0x000524."
• Apr 2026 Issues and security Office known issue · [FIXED] My Templates are missing from Outlook
• Apr 2026 Issues and security Office known issue · [FIXED] Outlook on premise Exchange web add-ins stopped loading after updating to Version 2603

March 2026

• Mon 30 Mar New and changed features Roadmap entry · Outlook: Import emails from PST file to mailbox in new Outlook for Windows
• Mon 30 Mar New and changed features Roadmap entry · Outlook: Multiple Intune Accounts for Outlook on iOS
• Thu 26 Mar New and changed features Roadmap entry · Outlook: View, edit & share Copilot Pages with Outlook for Android
• Tue 24 Mar New and changed features Roadmap entry · Outlook: Copilot Pages – View, edit & share in Outlook Mobile
• Mon 23 Mar New and changed features Roadmap entry · Outlook: Multi-select capability for calendar categories
• Thu 19 Mar New and changed features Roadmap entry · Outlook: Font Improvements in Outlook for Android
• Mon 16 Mar New and changed features Roadmap entry · Outlook: Customizable Oversharing dialog for DLP in New Outlook
• Mon 16 Mar New and changed features Roadmap entry · Outlook: Save an Event as a Draft on iOS
• Tue 10 Mar New and changed features Roadmap entry · Outlook: Hide Declined Meetings in Outlook Mobile
• Tue 10 Mar New and changed features Roadmap entry · Outlook: Filter Out Declined Meetings in Outlook Mobile
• Mon 9 Mar New and changed features Roadmap entry · Outlook: Enhanced Search Experience in Win32
• Wed 4 Mar New and changed features Roadmap entry · Outlook: Open and Send Outlook File Templates
• Mar 2026 Issues and security Office known issue · [INVESTIGATING] Users may get the error "Can't connect to the server" when creating groups in classic Outlook
• Mar 2026 Issues and security Office known issue · [FIXED] Classic Outlook crashes and opens in Safe Mode starting March 12 2026
• Mar 2026 Issues and security Office known issue · [FIXED] Classic Outlook replaces accented and extended characters with question marks
• Mar 2026 Issues and security Office known issue · [FIXED] Users get errors 0x800CCC0E & 0x800CCC0F synchronizing Gmail and Yahoo accounts in classic Outlook
• Mar 2026 Issues and security Office known issue · [FIXED] Users might get the error "This is not a valid style name" in classic Outlook

February 2026

• Fri 27 Feb New and changed features Roadmap entry · Outlook: Online archive for shared mailboxes in the new Outlook for Windows
• Fri 27 Feb New and changed features Roadmap entry · Outlook: Rule to display desktop alert
• Fri 27 Feb New and changed features Roadmap entry · Outlook: Play a Sound Rule
• Fri 27 Feb New and changed features Roadmap entry · Outlook: Run rule over a specific folder
• Fri 27 Feb New and changed features Roadmap entry · Outlook: New search folder types
• Fri 27 Feb New and changed features Roadmap entry · Outlook: New search folder types
• Tue 24 Feb New and changed features Roadmap entry · Outlook: Agents for Microsoft 365 Copilot available in Copilot Chat in classic Outlook for Windows
• Fri 20 Feb New and changed features Roadmap entry · Outlook: Insert signature into calendar events
• Fri 20 Feb New and changed features Roadmap entry · Outlook: Wait on Send for oversharing dialog in New Outlook
• Thu 19 Feb New and changed features Roadmap entry · Outlook: Grant mail delegate sharing permissions from the new Outlook
• Thu 19 Feb New and changed features Roadmap entry · Outlook: New Outlook for Windows - Reply To header
• Thu 19 Feb New and changed features Roadmap entry · Outlook: External tag in contact suggestions
• Thu 19 Feb New and changed features Roadmap entry · Outlook: Editor (Proofing and Spellcheck)
• Thu 19 Feb New and changed features Roadmap entry · Outlook: Global Address List Redesign
• Wed 18 Feb New and changed features Roadmap entry · Outlook: Offline Support for Calendar - Create, Edit and Delete Event support
• Wed 18 Feb New and changed features Roadmap entry · Outlook: New third-party enriched properties available for customizing profile cards
• Fri 13 Feb New and changed features Roadmap entry · Outlook: Updated Compose Actions in Outlook Mobile
• Fri 13 Feb New and changed features Roadmap entry · Outlook: Updated Multi-Select Actions in Outlook Mobile
• Fri 13 Feb New and changed features Roadmap entry · Outlook: Book a Workspace when Creating an Event
• Thu 12 Feb New and changed features Roadmap entry · Outlook: Support for Auto-Expanding Archives
• Thu 12 Feb New and changed features Roadmap entry · Outlook: Sort by Flag option
• Wed 11 Feb New and changed features Roadmap entry · Microsoft Copilot (Microsoft 365): Summarize email with Copilot chat in Outlook
• Fri 6 Feb New and changed features Roadmap entry · Outlook: Read-only access to contacts within a PST file in new Outlook for Windows
• Feb 2026 Issues and security Office known issue · [INVESTIGATING] Mouse pointer disappears when hovering over classic Outlook
• Feb 2026 Issues and security Office known issue · [INVESTIGATING] Users get error "There was an error reading the rules from the server" after making changes to rules in classic Outlook
• Feb 2026 Issues and security Office known issue · [INVESTIGATING] Users may experience an error when updating a meeting in their own or a shared calendar
• Feb 2026 Issues and security Office known issue · [FIXED] Classic Outlook adds table borders to signatures after updating to Version 2512
• Feb 2026 Issues and security Office known issue · [FIXED]
• Feb 2026 Issues and security Office known issue · [FIXED] Classic Outlook recipients are unable to open "Encrypt Only" emails
• Feb 2026 Issues and security Office known issue · [BY DESIGN] Users might get an error applying an encrypted sensitivity label when replying to an encrypted message sent from an external organization

Sorted from how each source classifies its records: what's-new pages, releases, documentation changes, notices, roadmap items, and network changes. A kind is a reading aid, not Microsoft's own category. Showing the newest 200 of 222.