
Understanding these root causes will help you map out a clearer resolution path. In many cases, performing simple checks—like verifying correct usernames and valid licensing—will resolve the issue quickly. In “settings” under Shared experiences it tells me I have a problem and has a “Fix now” button, I click that and an Office 365 login prompt comes up.
Support Ticket
Troubleshooting Office 365 sign-in or activation issues can be straightforward if you approach the problem methodically. By verifying the basics—correct credentials, valid license assignments, and stable network access—you’ll often fix the issue without delving into more complex solutions. Clearing cached credentials, running a repair, or using the Microsoft Support and Recovery Assistant (SaRA) can also address common local device issues. Despite its robust feature set and user-friendly design, it’s not uncommon for FixTechGuide support center end users and IT professionals to encounter sign-in and activation issues.
Advanced Troubleshooting Scenarios
- It did, so then I deleted that entry from credential manager, rebooted but that did not help.
- Other times, it might be network problems, conflicting versions of Office, or organizational security policies that block the authentication process.
- Clearing cached credentials, running a repair, or using the Microsoft Support and Recovery Assistant (SaRA) can also address common local device issues.
- We have our subscription through Rackspace and I’ll see if they can help later this afternoon as that is who MS referred me to when I sought support help from them.
- If you’ve tried all these steps and still can’t resolve the sign-in or activation errors, you may need more advanced troubleshooting.
- Use the Microsoft 365 setup troubleshooter to install Microsoft 365, Office 2021, Office 2019, or Office 2016 on your Windows PC.
- Last time about 4 or 5 months ago what finally worked was clearing out all my temp files and rebooting.
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. It would be nice to know where that password is being cached, then I might be able to delete it. I saw in the MS knowledgebase where there was a certain update that was part of the issue but that was quite some time ago and MS has since issued patches to fix it in relation to that update.
Microsoft 365 shared computer activation (SCA) troubleshooter
I think I’m going to try what I mentioned in my last post and see what happens. It works well for Outlook unless the user has a gigantic mailbox and then it just takes a while for it all to sync up. We have our subscription through Rackspace and I’ll see if they can help later this afternoon as that is who MS referred me to when I sought support help from them. Brandon Herring I still have one more install available on my office profile, thanks for asking. This is getting more than a little annoying as no one else in the office seems to be having the issue.
3 Step 3: Verify Network Connectivity and Firewall Settings
How to clear Office 365 login cache?
Last time about 4 or 5 months ago what finally worked was clearing out all my temp files and rebooting. Use the Microsoft 365 network connectivity test to measure connectivity between your device and the internet, and from there to Microsoft’s network. Use the Microsoft 365 setup troubleshooter to install Microsoft 365, Office 2021, Office 2019, or Office 2016 on your Windows PC. Use the uninstall troubleshooter to uninstall Microsoft 365, Office 2021, Office 2019, or Office 2016 from your Windows PC.
Start with the basics and move toward more advanced methods only if necessary. @scott-sa-spiceworks okay, I “edited” the passwords for Office to my current one in that credential box but it did not help. I’ve gone to the Office 365 Admin console and everything looks okay with my account, if it wasn’t it would most likely give me issues on the service as well but I checked it any way just to be sure. After you run any troubleshooter, Get Help provides details on any findings and suggestions for possible remedies. Use the MIcrosoft 365 inventory scan troubleshooter to generate either a normal or full scan report of your computer and installed Microsoft 365 applications. Use the Microsoft 365 sign-in troubleshooter to help resolve sign-in issues encountered with Microsoft 365.

Recover your account
If you or your employees can’t sign in to Office 365, or if the applications repeatedly prompt for activation, productivity can grind to a halt. In this comprehensive guide—KB113—we’ll explore the most common causes of Office 365 sign-in and activation issues. We’ll then walk you through a practical, step-by-step troubleshooting methodology.
by cherylelinsley