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These can include missing files, ghost icons, or documents that do not update in real-time. Check the version of Microsoft Office installed on your computer and your subscription name and expiry date. Office 365 applications installed on a computer must connect to Microsoft servers over the internet at least once every 30 days for the license to be checked and validated. If you don’t connect the installed Office 365 applications to Microsoft servers for more than 30 days in a row, these applications are deactivated. Once a connection is established to Microsoft licensing servers, the license is renewed.

Microsoft Office 365 is currently the most popular suite for productivity applications – thus it is important to mention the most common Office 365 issues. Microsoft 365 offers the most reliable solutions for improving team productivity, storage, and communication. But it doesn’t mean it’s impossible for some Office 365 issues to occur. The important thing here to remember is that not all problems are caused by bugs or inappropriate coding on the vendor site. The more probable option is that the Office 365 issue occurs, and can be fixed on the client-side.
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If not, the password reset page provides you with a possibility to contact your administrator. Another possible cause is that your administrator has changed your password, without informing you about that. You should ask him to provide you with credentials that will enable you to sign in. We go above and beyond the average software reseller because we built our business on trust.
How to fix Office 365 issues related to synchronization
Following the steps above should restore your search functionality quickly. For advanced troubleshooting, FixTechGuide offers remote support to restore performance and indexing accuracy for Outlook and other Office apps. With apps syncing across devices and cloud services, sync issues are among the most frequently reported M365 problems.
Tools that can help you fix Office 365 issues

Office 365 troubleshooting is an important aspect of building a secure and reliable IT environment. In addition to the Office 365 problems explained in the blog post, you may encounter issues that cause data loss. Service health is the online tool available for Office 365 for organizations (if you have work and school Office 365 accounts).
Office 365 issues: #5 -Update Issues
- The Office 365 repair tool can help you fix the majority of Office 365 problems for installed Office 365 applications (not applicable if you use online apps only).
- But it doesn’t mean it’s impossible for some Office 365 issues to occur.
- To fix these related Office 365 issues, you can try disabling Add-Ins and then running Microsoft apps without them.
- An internet connection is not available or a firewall is blocking network connections.
- If your Office 365 subscription has expired, buy a new license and extend your subscription for a new period.
Synchronization Office 365 issues mostly happen to Office Mobile guide to Office 365 sign-in errors apps. When you want to continue the work you did on the desktop, and the file is available there. Yet if this didn’t work it means that the same file you worked on another device didn’t make it to OneDrive as it should. It is a sign that this other device isn’t connected to the OneDrive correctly, or a simpler problem, isn’t connected to the internet.
If you want to use Office 365 applications installed on a terminal server, you should use Office 365 Pro Plus, which supports Shared Computer Activation. If multiple versions of Microsoft Office are installed, Office 365 activation issues may occur. Uninstall old versions of Microsoft Office from your computer and try to activate Microsoft Office 365 again. Office 365 Service Health is an online tool, available for organizations, accessible only by administrators, in Office 365 Admin Center.
Office 365 issues: #3 – Sync Problems in Office apps
Discover Defender and Purview add-ons for enterprise-grade protection at SMB-friendly pricing. In these cases, direct escalation to Microsoft or working with a Microsoft CSP partner, such as TrustedTech, can expedite resolution and minimize downtime. Our licensing engineers can help triage complex problems and ensure you're on the right support path.
? Step 1: Verify Windows Search Service Is Running
There you can see possible Office 365 issues, and advice on how you can resolve them. The simplest one is a problem with a connection to the Internet, or a firewall blocking network connections. If you try to troubleshoot Outlook synchronizing folders error enter the wrong password too many times, and you didn’t set up a recovery email you can lock access to your account.
If that happens you have to Fix Outlook and Office 365 Errors 2025 verify that this account belongs to you before you can change password, and to do that you need to fill out the Microsoft account recovery form. Download the tool from Microsoft and run the Outlook diagnostic to auto-detect server and account issues. You can disable Add-Ins on launch by pressing CTRL and hitting the Microsoft Office app shortcut. In this case, consider using safe mode, which is useful for Office 365 troubleshooting.