Use the Excel check troubleshooter to resolve Excel for Windows startup, hang, or crash issues. Get Help has troubleshooters for Microsoft 365 you can run for many common scenarios. These often help resolve issues without the need to contact support. If a troubleshooter is available for your issue, select Start to run that troubleshooter.
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If you find this CNAME record, delete it, and wait for DNS replication to update the DNS record. Microsoft 365 Apps fails to activate when opened from published apps on a Citrix server. For more information, see Known issues (Citrix product documentation). For troubleshooting steps, Microsoft 365 troubleshooting see Office for Mac repeatedly requesting keychain access. Use the Microsoft 365 activation troubleshooter to resolve Microsoft 365 subscription activation issues.
Is something wrong with Office 365 right now?
Why is my Microsoft 365 installation stuck or taking too long?
If you’re unable to sign in to your Microsoft 365 account, ensure you’re using the correct email and password. Locked accounts, due to multiple failed attempts, may require waiting or following unlock instructions. Check your internet connection, as weak connectivity can cause issues. For work or school accounts, confirm with your organization that your account is active. Browser or app issues, like outdated software or cached data, can also interfere; try clearing your cache or switching browsers.
- Remember, proactive management and regular reviews of your IT infrastructure can prevent many common issues, keeping your business operations running smoothly.
- Simply open the Office app normally, and all your files are saved locally until internet access resumes.
- If you can't sign into your Microsoft account, most issues can be identified by our sign-in helper tool.
- If this doesn’t work, reset the credentials in your Windows Credential Manager or contact Microsoft support for further assistance.
- Microsoft 365 Apps fails to activate when opened from published apps on a Citrix server.
- The "Unlicensed Product" error usually indicates an inactive or unlinked subscription.
Additional troubleshooting
Important Running Microsoft 365 Apps on these older operating systems isn't supported. For more information, see End of support resources for Office. The tool will ask you to enter the email address or mobile phone number you're trying to sign in with and check the details you provide. If we detect a problem with your account, we'll tell you what you need to do to solve the problem. If we don't detect any problem, we'll guide you through how you can help yourself. If you can't sign into your Microsoft account, most issues can be identified by our sign-in helper tool.
Why are my Microsoft 365 apps running slowly?
Use the Microsoft 365 sign-in troubleshooter to help resolve sign-in issues encountered with Microsoft 365. Each firewall will have a different method to enable access to these URIs. Check your software's documentation for instructions or ask your administrator to do this for you. For more information, see Disabling ADAL or WAM not recommended for fixing Microsoft 365 sign-in or activation issues. Upgrade to Microsoft Edge to take advantage of the latest features, security updates, and technical support.
What can I do if I experience issues syncing emails in Outlook?
Reinstall the app if problems persist using Microsoft’s compatibility manuals. Slow-loading apps may indicate excessive add-ins or cache issues. Open apps in Safe Mode to bypass add-ins and check for improvements. Reduce startup files or clear Office’s temporary cache as needed.