Open a Command Prompt window as an administrator.If so, you (or your administrator) might have to change the proxy settings for Windows HTTP clients. Make sure Azure Active Directory Authentication Library (ADAL) and Web Account Manager (WAM) are enabledįor more information, see Disabling ADAL or WAM not recommended for fixing Office sign-in or activation issues.Ĭheck whether you're behind a proxy serverĪre you behind a proxy server? If you're not sure, ask your administrator. Make sure you are signed in with your Work or School account, not your personal Microsoft account.Select your name and profile picture or icon at the top.For more information, see Known issues (Citrix product documentation). Microsoft 365 Apps fails to activate when opened from published apps on a Citrix server. Restart the device, and then try activating Microsoft 365 again.If TLS 1.2 isn’t checked, check it, then select Apply and OK.From Start, select Control Panel > Internet options > Advanced settings.Enable TLS 1.2 as the default protocol by using this easy fix, and then restart the device.If you are running Windows 7 or Windows Server 2008, make sure that Service Pack 1 is installed.For more information, see End of support resources for Office. Important Running Microsoft 365 Apps on these older operating systems isn't supported. Some older operating systems, such as Windows 7 SP1, Windows Server 2008 R2, and Windows Server 2012, require an update to enable TLS 1.2 by default. To activate Microsoft 365 Apps, TLS 1.2 must be enabled on the operating system. For troubleshooting steps, see Office for Mac repeatedly requesting keychain access.Īctivating Microsoft 365 on Windows 8.1 or earlier If you see repeated prompts to grant access to the keychain when starting an Office for Mac app, Office may have been moved to a location other than the default /Applications folder.

Office for Mac repeatedly requesting keychain access If you aren’t an admin, see How do I find my Microsoft 365 admin?

Note Some of these troubleshooting methods can only be performed by a Microsoft 365 admin. This article will help you troubleshoot sign in issues when activating Microsoft 365 Apps.

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