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 send/receive error 0x800CCC0E fix some of them are listed below. Safari can cause Microsoft 365 issues due to the Intelligent Tracking Prevention (ITP) feature.

Repair an Office application

• This tool should be installed on a computer as a standalone application.
• When Office 365 search stops working after updates, it’s usually a minor indexing or cache issue — not a major fault.
• Installing Office 365 updates can fail for different reasons, and some of them are listed below.
• In this case, consider using safe mode, which is useful for Office 365 troubleshooting.
• Domain verification issues can also prevent the normal use of the Microsoft Office 365 suite.
• Once a connection is established to Microsoft licensing servers, the license is renewed.

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 recovery email address, try to fill out the Microsoft account recovery form. 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.

Organizations value the capabilities that the Microsoft 365 suite provides for shared access and simultaneous file editing for team members. However, sometimes employees may not have the required permissions to open and edit an item. This error appears when you attempt to upload or save a Microsoft 365 item.

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 Outlook stuck updating folders solution 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.





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.

Office 365 Repair Tool

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 FixTechGuide mailbox repair steps them. Reboot your system and try to launch your Outlook app after to check if the synchronization issues are solved.



Microsoft updates are released on a regular basis and allow you to protect software against known threats, fix bugs, and so on. Let’s find out what you can do if updates are not installed automatically, and what factors can cause update issues. 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.