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MC981624 Plan for changeUpdated messageFeature updateUser impact

Microsoft Outlook name change: "Outlook (new)" on Windows will change to "Outlook"

From Microsoft 365 Message Center Archive by Merill Fernando · Microsoft may not have sent this notice to your tenant.
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Rollout

Rollout dates are often only in the text. When Microsoft moves them, the change shows under "What changed".

Schedule dates changed in the text

Date phrases in schedule sentences differ between the versions we saw
  • Seen 26 Mar 2025 mid-March 2025 → early April 2025
  • Seen 24 Feb 2025 mid-February 2025, late February 2025 → mid-March 2025, late March 2025
  • Seen 19 Feb 2025 early February 2025 → mid-February 2025

Read from date phrases in Microsoft's text, not from notice metadata. A changed phrase can be a moved rollout, a new milestone or just rewording; "What changed" below shows which.

What the notice says

Microsoft’s text, safely structured

Updated March 26, 2025: We have updated the rollout timeline below. Thank you for your patience.

We are delaying this change until mid-March to allow time to for customer experiencing issues with classic Outlook shortcuts to use this workaround. Some customers may still see classic Outlook shortcuts listed as just "Outlook", which could lead to confusion when new Outlook's installed name changes. The workaround for this issue is documented here.

Coming soon: The installed name for new Microsoft Outlook for Windows will change from "Outlook (new)" to "Outlook."

This rollout comes after a change to the classic Outlook in version 2407, previously announced in MC803006 (Update) Outlook for Windows display name change (published June 2024, updated August 2024), which added "(classic)" to the installed name to differentiate the two apps.

When this will happen

General Availability (Worldwide, GCC): We will begin rolling out late March 2025 (previously mid-March) and expect to complete by early April 2025 (previously late March).

What you need to do to prepare

Outlook in the Windows Start menu. Left: Before the name change. Right: After the name change:

This change will be on by default. This part of the app identity is not customizable for organizations.

As always, we recommend planning your organization's migration to the new Outlook using the resources at https://aka.ms/newOutlookAdoption

This rollout will happen automatically by the specified date with no admin action required before the rollout. Review your current configuration to determine the impact for your organization. You may want to notify your users about this change and update any relevant documentation.

#newoutlookforwindows

What changed

Between archive captures, newest first

  1. Updated February 24,March 26, 2025: We have updated the rollout timeline and content. below. Thank you for your patience. We are delaying this change until mid-March … this will happen: General Availability (Worldwide, GCC): We will begin rolling out mid-Marchlate March 2025 (previously mid-February)mid-March) and expect to complete by late Marchearly April 2025 (previously late February).March). What you need to do to prepare: Outlook in the Windows Start …

  2. Updated February 19,24, 2025: We have updated the rollout timeline below.and content. Thank you for your patience. We are delaying this change until mid-March to allow time to for customer experiencing issues with classic Outlook shortcuts to use this workaround. Some customers may still see classic Outlook shortcuts listed as just "Outlook", which could lead to confusion when new Outlook's installed name changes. The workaround for this issue is documented here. Coming soon: The installed name for new Microsoft Outlook for Windows will … this will happen: General Availability (Worldwide, GCC): We will begin rolling out mid-Februarymid-March 2025 (previously early February) mid-February) and expect to complete by late February 2025.March 2025 (previously late February). What you need to do to prepare: Outlook in the Windows Start …

    • Tags Feature update, User impact → Updated message, Feature update, User impact

    Updated February 19, 2025: We have updated the rollout timeline below. Thank you for your patience. Coming soon: The installed name for new Microsoft Outlook for Windows will … this will happen: General Availability (Worldwide, GCC): We will begin rolling out mid-February 2025 (previously early February 2025February) and expect to complete by late February 2025. What you need to …

  4. · first version seen

Learn more

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