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. If the provided recommendations don’t help you resolve the issues or you want to send Office 365 complaints, call Microsoft support. Try testing the configuration of your Office 365 email system and fix the problems that are preventing users from using the email services. Microsoft Support and Recovery Assistant can help you resolve problems with Microsoft Office, Office 365, and Outlook.

⚙️ Step 3: Repair Microsoft 365 Installation

The good news is that the majority of problems can easily be solved on the client’s side. If you use Microsoft Office 365 Outlook as a standalone email client, and you cannot send and receive email messages, check the Outlook connection settings. Domain verification issues can also prevent the normal use of the Microsoft Office 365 suite. An internet connection is not available or a firewall is blocking network connections. Installing Office 365 updates can fail for different reasons, and resolve Outlook not sending emails fast some of them are listed below. Safari can cause Microsoft 365 issues due to the Intelligent Tracking Prevention (ITP) feature.

Repair an Office application

• An internet connection is not available or a firewall is blocking network connections.
• If an incorrect password is entered multiple times, after several unsuccessful login attempts, your Office 365 account will be locked.
• Many issues that you may face day-to-day can be fixed on the client side.
• The steps to access the repair tool vary depending on your operating system.
• For advanced troubleshooting, FixTechGuide offers remote support to restore performance and indexing accuracy for Outlook and other Office apps.
• You may encounter issues when using any application, and Office 365 is no exception.
• The operating system on which your Office 365 applications are installed does not support the updated version of Microsoft Office 365.

Therefore, you can locate the original files at their primary SharePoint site and restore them from there. 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.

It indicates that you have reached the storage limit specified by your subscription plan. You can unintentionally send an important Microsoft 365 item to the recycle bin, especially if you have too many files on your device’s hard drive. Still, the files you send to the recycle bin are not permanently removed. File and storage issues with Microsoft Office 365 are more serious than other issues. They are not merely inconvenient and slow down work but can also lead to critical data loss.

Common Office 365 Issues and How to Solve Them

The update channel used by Office 365 depends on your Office 365 subscription plan and on configuration. Check the version of Microsoft Office installed on your computer and your subscription name and reset cached Exchange mode expiry date. 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. Download and run the official Microsoft Support and Recovery Assistant (SaRA). It automatically diagnoses and repairs many Office 365 problems — including search indexing and sync issues.

Microsoft Support and Recovery Assistant

Open the required file, hit Share and then check the list of users that you can give the rights to edit a file. You can set access permissions for the entire organization or invite only the users you specify. Editing file permissions and providing users with appropriate access is a simple way to solve such Microsoft 365 problems. For example, items that you delete from SharePoint or Microsoft Teams are retained in the recycle bin for a certain period before permanent deletion.

? Bonus Tip: Use Microsoft Support and Recovery Assistant (SaRA)

Check the firewall on your computer, the router, and DNS configuration. 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.



This restores missing or corrupted Office components that affect search indexing. 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. To fix these related Office 365 issues, you can try disabling Add-Ins and then running Microsoft apps without Troubleshoot Office 365 Sync and Login Issues them. Reboot your system and try to launch your Outlook app after to check if the synchronization issues are solved.

Stay Updated

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). Microsoft recommends updating Windows, Microsoft Office and other software regularly.