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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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Those mentioned in this article are only the tip of the iceberg and related to software itself. The serious problem occurs when we talk about any external threats like malware or ransomware that are not so easy to prevent and mitigate. Xopero ONE Backup and Recovery for Microsoft 365 ensures you with data protection, security, and business continuity.
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
- If an incorrect password is entered multiple times, after several unsuccessful login attempts, your Office 365 account will be locked.
- OneDrive issues are a separate category of problems with Microsoft 365.
- Make sure that network access to the Microsoft servers is not blocked.
- Always define a recovery email address when configuring your Office 365 account.
- You may need to remove old Microsoft Office licenses from your computer and install a new one.
- 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).
Editing file permissions and providing users with appropriate diagnose Office activation conflicts access is a simple way to solve such Microsoft 365 problems. 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. Then try to activate the installed Office 365 suite again on your computer. You may need to remove old Microsoft Office licenses from your computer and install a new one. This tool is a standalone application, you can install on your computer.
Our Account Managers and Distribution Team fulfills orders quickly and efficiently, giving our customers digital downloads in record time so they can move on to their next big project. Real-time collaboration is at the core of Microsoft 365; however, issues can arise due to permissions, software version conflicts, or connectivity problems. This restores missing or corrupted Office components that affect search indexing. To avoid data loss when using cloud applications, perform Office 365 data backup. NAKIVO Backup & Replication is a universal data protection solution that can protect not only Office 365 but also virtual, physical, and cloud environments. Download the software and configure data backup in your environment.
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
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 rebuild Outlook data file quickly 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 Outlook Login Issues Troubleshooting recovery email address, try to fill out the Microsoft account recovery form.