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Microsoft 365 sidebar on EDGE available but not responsive

Raymond Wieszczyk 60 Reputation points
2026-03-17T14:28:00.9066667+00:00

The Microsoft 365 sidebar on EDGE is visible and the little hand is present, but any left click on an icon or file results in a nonresponse. No error messages.

Microsoft Edge | Tabs, address bar, and search | Windows 11

Answer accepted by question author

William Gerber 75 Reputation points
2026-04-27T16:06:14.18+00:00

It appears that in an update to Edge, Microsoft has fixed the bug. As of Version 147.0.3912.86 (Official build) (64-bit), the sidebar works.

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  1. AI answer

    2026-03-17T14:28:14.7366667+00:00

    Use the following steps to troubleshoot an unresponsive Microsoft 365 sidebar in Edge:

    1. Confirm the Edge sidebar is fully enabled
      • In managed (work/school) environments, the sidebar can be blocked by policy.
      • An admin should check the HubsSidebarEnabled policy in Group Policy:
        • Open Group Policy Editor → Administrative Templates → Microsoft Edge → Show Hubs Sidebar.
        • Set it to Enabled to allow the sidebar, then restart Edge.
    2. Check for extension or policy conflicts with sidebar apps
      • Sidebar apps (including Microsoft 365) are implemented as extensions and can be blocked or forced via policy.
      • An admin should review these policies under Administrative Templates → Microsoft Edge → Extensions:
        • Control which extensions cannot be installed (ExtensionInstallBlockList): ensure the Microsoft 365 sidebar app/extension ID is not blocked.
        • Control which extensions are installed silently (ExtensionInstallForceList): if used, verify the configuration is correct so the app is installed and enabled.
      • After any change, restart Edge.
    3. Test in a new Edge profile
      • A corrupted profile or conflicting extension can break sidebar behavior.
      • In Edge, select the profile icon → Add profile → Add.
      • In the new profile, check whether the Microsoft 365 sidebar icons respond to clicks.
      • If they work in the new profile, reset or recreate the original profile.
    4. Update Microsoft Edge
      • Outdated builds can cause sidebar and Copilot/365 app issues.
      • Go to edge://settings/help, let Edge check for and install updates, then restart the browser.
    5. Reset Edge settings (last resort, non-destructive to data)
      • Go to edge://settings/reset.
      • Select Restore settings to their default values.
      • Be aware this:
        • Resets startup page, new tab page, search engine, and pinned tabs.
        • Disables all extensions and clears temporary data (cookies).
        • Keeps favorites, history, and saved passwords.
      • After reset, test the sidebar again before re-enabling extensions.

    If the issue persists in all profiles and after reset/update, collect diagnostics before contacting support:

    • Edge version from edge://settings/help.
    • Active policies export from edge://policy.
    • Screenshot of sidebar settings from edge://settings/appearance/copilotAndSidebar.
    • OS version and account type (personal vs work/school), as tenant settings can affect sidebar apps.

    References:

    AI-generated content may be incorrect. Read our transparency notes for more information.

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