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RM561035Microsoft Edge: Allow M365 authentication popups in work profiles

Summary

When users are signed in with a work account, some Microsoft 365 sites (for example, microsoft.com, cloud.microsoft, and microsoft365.com) may open authentication pop-up windows to Microsoft sign-in endpoints such as login.microsoftonline.com, login.live.com, or login.microsoft.com. These pop-ups are required to complete sign-in. Microsoft Edge now allows authentication pop-up windows from Microsoft first party services by default. Admins can control availability to this feature using the M365AuthPopupsInWorkEnabled policy.

Description

When users are signed in with a work account, some Microsoft 365 sites (for example, microsoft.com, cloud.microsoft, and microsoft365.com) may open authentication pop-up windows to Microsoft sign-in endpoints such as login.microsoftonline.com, login.live.com, or login.microsoft.com. These pop-ups are required to complete sign-in. Microsoft Edge now allows authentication pop-up windows from Microsoft first party services by default. Admins can control availability to this feature using the M365AuthPopupsInWorkEnabled policy.

GA date: July CY2026

Version history

2 versions tracked

Updated 1 time since May 12, 2026. Microsoft 365 Message Center only shows the current version; this archive preserves tracked history.

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  1. May 14, 2026 - 11:15 PMLatest - v2

    Changed: Body

  2. May 12, 2026 - 11:00 PMOriginal - v1

    Changed: Initial version

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