Microsoft dark themes for SharePoint sites
From Microsoft 365 Message Center Archive by Merill Fernando · Microsoft may not have sent this notice to your tenant.Rollout
- Roadmap
- 526788
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 this installation saw- Seen 12 Jan 2026
early February 2026→ late January 2026 - Seen 19 Dec 2025
mid-December 2025, mid-January 2026→ January 2026, February 2026
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 structuredUpdated December 18, 2025: We have updated the timeline. Thank you for your patience.
Introduction
Coming soon to SharePoint: Site owners and admins will be able to apply two new Microsoft-designed multi-color dark themes. These official themes offer modern dark color palettes with multiple colors combinations, enabling richer visual experiences and consistent branding across sites. Both themes are available out-of-the-box and can be configured via site settings.
This message is associated with Roadmap ID 526788.
When this will happen
- Targeted Release (Worldwide): Rollout begins early January 2026 (previously mid-December 2025), completes January 2026 (previously early January)
- General Availability (Worldwide, GCC, GCC High, DoD): Rollout begins late January 2026 (previously early February), completes February 2026 (previously early February)
How this affects your organization
- Who is affected: SharePoint Site owners and SharePoint admins across all Microsoft 365 environments (Worldwide, GCC, GCC High, DoD)
- What will happen:
- Two new Microsoft-designed dark themes (Dark Teal, Dark Blue) will be available out-of-the-box
- Themes can be applied via “Change the look” in site settings
- The themes update site headers, footers, section design, Text web part, and Design Ideas
- Designed for low-light environments and compliant with Microsoft accessibility standards
- No impact to existing themes or site functionality
Note: Previously applied PowerShell settings that disable all out-of-box themes from Microsoft remain effective, and the PowerShell command can still be used to manage the Microsoft theme availability.
What you can do to prepare
- No admin action is required prior to rollout. After rollout:
Learn more:
Compliance considerations
No compliance considerations identified, review as appropriate for your organization.
What changed
Between archive captures, newest first… (previously early January) General Availability (Worldwide, GCC, GCC High, DoD): Rollout begins
early Februarylate January 2026 (previouslymid-January),early February), completes February 2026 (previously early February) How this affects your organization: Who …- Tags
New feature, User impact→ Updated message, New feature, User impact
Updated December 18, 2025: We have updated the timeline. Thank you for your patience. Introduction Coming soon to SharePoint: Site owners and admins will be able … Roadmap ID 526788. When this will happen: Targeted Release (Worldwide): Rollout begins early January 2026 (previously mid-December
2025,2025), completesearlyJanuary 2026 (previously early January) General Availability (Worldwide, GCC, GCC High, DoD): Rollout beginsmid-January 2026,early February 2026 (previously mid-January), completesearlyFebruary 2026 (previously early February) How this affects your organization: Who is affected: SharePoint Site owners and …- Tags
- · first version seen
Learn more
Links from the notice and their documentation checks- 526788
- Site themeNot read yet
- Set-SPOHideDefaultThemesNot read yet
Related public evidence
No related evidence found in this installation's recent collection. This does not establish that no announcement exists.
Not confirmed here
What this page cannot tell you- Whether your tenant is affected: this is Microsoft's notice, not a check of your settings.
- 2 linked pages have not been read yet.