error code when logging in 0x0

Lori Hokanson 5 Reputation points
2026-08-16T00:35:47.1533333+00:00

when logging into word or powerpoint i get an error code 0x0

Microsoft 365 and Office | Word | Other | Windows

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  1. Estrella721 47,675 Reputation points Independent Advisor
    2026-08-16T01:12:57.2866667+00:00

    Hi,

    Error code 0x0 is a known issue for Mac users. To clarify, are you using Windows or macOS?

    If mac, what version of macOS are you using (for example, Ventura 13, Monterey 12, Sonoma 14, or Sequoia 15)?

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  2. AI answer

    2026-08-16T00:36:01.5366667+00:00

    For Office sign-in or activation errors, start with these steps:

    1. Restart the device and try signing in to Word or PowerPoint again. This can help with temporary sign-in issues.
    2. Update Office:
      • Open any Office app.
      • Go to File > Account.
      • Under Product Information, select Update Options > Update Now.
      • If Update Now is not shown, select Enable Updates first, then Update Now.
    3. If the issue is specifically a Microsoft 365 desktop app sign-in problem, it can be related to the WAM plug-in (AAD.BrokerPlugin) being affected by security software. In that case, these PowerShell commands can be used in user mode PowerShell to repair WAM:
    Add-AppxPackage -Register "$env:windir\SystemApps\Microsoft.AAD.BrokerPlugin\_cw5n1h2txyewy\Appxmanifest.xml" -DisableDevelopmentMode -ForceApplicationShutdown
Add-AppxPackage -Register "$env:windir\SystemApps\Microsoft.Windows.CloudExperienceHost\_cw5n1h2txyewy\Appxmanifest.xml" -DisableDevelopmentMode -ForceApplicationShutdown

    If security software is present, check whether it is interfering with Microsoft 365 sign-in components.

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

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