*For this entry exists the more relevant or more recent entry MC1150123
check before: 2025-09-01
Product:
Microsoft 365 Apps, Microsoft 365 Groups, Skype for Business, Teams
Platform:
Android, iOS, Mac, Web, Windows Desktop, World tenant
Status:
Launched
Change type:
Links:
Details:
Gain granular control over external communication. By setting custom External Access policies, you can define domain allow/deny lists and assign them to specific users or groups - capabilities that were previously tenant-wide only ("Teams and Skype for Business users in external organizations"). Use this to pilot with a department, restrict high‑risk roles to approved partners, or open federation broadly where appropriate. Example: Allow Group A to communicate only with a specific domain, while Group B can communicate with all external domains.
Change Category:
XXXXXXX ... free basic plan only
Scope:
XXXXXXX ... free basic plan only
Release Phase:
General Availability, Targeted Release
Created:
2025-08-27
updated:
2025-11-27
Docu to Check
XXXXXXX ... free basic plan only
MS workload name
XXXXXXX ... free basic plan only
summary for non-techies**
XXXXXXX ... free basic plan only
Direct effects for Operations**
Please, look at the most relevant linked item for details
explanation for non-techies**
XXXXXXX ... free basic plan only
** AI generated content. This information must be reviewed before use.
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change history
| Date | Property | old | new |
| 2025-11-27 | RM Status | Rolling out | Launched |
| 2025-09-10 | RM Status | In development | Rolling out |
Last updated 1 week ago ago
