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Follow the instructions provided by the assistant to find and resolve Microsoft Office 365 problems. 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). You can try to repair Office by using the appropriate built-in tool. Make sure that network access to the Microsoft servers is not blocked. Check the firewall on your computer, the router, and DNS configuration. Microsoft 365 is a robust platform, but when problems arise, fast resolution is key to productivity.
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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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
- In this guide, you’ll learn how to fix Office 365 search not working after update using step-by-step methods verified to restore indexing and search functionality.
- As passwords are sensitive to small changes, you shouldn’t copy your passwords from anywhere (like textfiles, skype’s conversations), instead try to enter it manually.
- Editing file permissions and providing users with appropriate access is a simple way to solve such Microsoft 365 problems.
- When you want to continue the work you did on the desktop, and the file is available there.
- When you encounter Office 365 issues with Outlook online, this app turns out almost completely useless.
Editing file permissions and providing users with appropriate connection status shows disconnected 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.
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
When it’s a problem with an internet connection, check your wi-fi or ethernet connection, and contact the internet provided if required. Some of them allow users to get updates before the main release while others provide updates at a later time. The update channel used by Office 365 depends on your Office 365 subscription plan and on configuration. All you need to do is log in to your OneDrive account on the web browser, and drag the files you want to the documents folder.
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 FixTechGuide Office 365 troubleshooting 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.
Step 7 – Disable Faulty Add-ins
If that happens you have to how to fix Outlook not opening today 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.