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It runs multiple tests in terms of configuring and solving any potential problem. When it can’t do that, the program will advise you on how to deal with it, providing links containing instructions. When you open the main productivity apps like Word, and Excel, on the main page you should be able to see all files you opened recently. In order for the recovery process to be available is the two-factor authentication disabled. Good practice to avoid having Office 365 issues with signing in, is to have a recovery email. Check if CAPSLOCK is turned on, and check the spelling of the password you try to enter.

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

Only Office 365 administrators can access this tool in the Office 365 admin center. Use the Service health dashboard to find possible Office 365 issues and read the provided advice on how to fix them. You can resolve this Office 365 issue simply by purchasing additional cloud storage space from Microsoft. Consider implementing a regular storage cleanup practice with Microsoft 365 recycle bin checks. Keep in mind that the files you delete can temporarily consume storage space. These add-ins can cause issues such as app crashes or significant performance degradation.
Office 365 issues: #5 -Update Issues
- The update channel used by Office 365 depends on your Office 365 subscription plan and on configuration.
- They are not merely inconvenient and slow down work but can also lead to critical data loss.
- In this case, consider using safe mode, which is useful for Office 365 troubleshooting.
- NAKIVO Backup & Replication is a universal data protection solution that can protect not only Office 365 but also virtual, physical, and cloud environments.
Synchronization Office 365 issues mostly happen to Office Mobile fix MFA prompts not working 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.
To fix these related Office 365 issues, you can try disabling Add-Ins and then running Microsoft apps without them. Reboot your system and try to launch your Outlook app after to check if the synchronization issues are solved. If you tried to enter your credentials, and it failed, even when you checked if every letter of it is correct. TrustedTech delivers unbeatable customer service, with experts in licensing and high-level technicians always on-call to answer your tech issues in-depth.
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.
Outlook and Office 365 sync issues can be frustrating but are almost always fixable. Start with basic network checks, enable Cached Exchange Mode, and repair your data files if needed. For persistent problems, rebuild your Outlook profile or use FixTechGuide’s free expert Outlook tips by FixTechGuide diagnostic tools to automate detection of authentication and IMAP errors in seconds. When Office 365 search stops working after updates, it’s usually a minor indexing or cache issue — not a major fault.
The operating system on which your Office 365 applications are installed does not support the updated version of Microsoft Office 365. Windows 7 and Windows 8 do not support the latest Office 365 versions, and only Windows 10 supports these (Windows Server operating systems are not covered here). Check POP3 and SMTP settings for connecting to Microsoft mail servers (addresses of servers, ports, encryption, authentication). Always define a recovery email address when configuring your Office 365 account. If an incorrect password is entered multiple times, after several unsuccessful login attempts, your Office 365 account will be locked. If your account is locked but you have not defined your guide to Office 365 sign-in errors recovery email address, try to fill out the Microsoft account recovery form.