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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.
As the name of this tool suggests, Remote Connectivity Analyzer can identify Office 365 issues with connectivity. From Outlook desynchronisation to problems with OneDrive connection. The tool can help you detect issues by running tests for many features. When you encounter Office 365 issues with Outlook online, this app turns out almost completely useless. There are few things that can happen to Outlook 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

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. It indicates that you have reached the storage limit specified by your subscription plan. For example, items that you delete from SharePoint or Microsoft Teams are retained in the recycle bin for a certain period before permanent deletion. Therefore, you can locate the original files at their primary SharePoint site and restore them from there. File and storage issues with Microsoft Office 365 are more serious than other issues.
Office 365 issues: #5 -Update Issues
- The simplest one is a problem with a connection to the Internet, or a firewall blocking network connections.
- Real-time collaboration is at the core of Microsoft 365; however, issues can arise due to permissions, software version conflicts, or connectivity problems.
- The update channel used by Office 365 depends on your Office 365 subscription plan and on configuration.
- Still, the files you send to the recycle bin are not permanently removed.
- Open the required file, hit Share and then check the list of users that you can give the rights to edit a file.
- 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.
Installing Office 365 updates can fail for different reasons, and some of them are listed below. Safari can cause Microsoft 365 issues due to the Intelligent Tracking Prevention (ITP) feature. If you have forgotten your password for the Office 365 account, try to recover or reset the password. Use the NAKIVO solution to back up Microsoft 365 data in Exchange Online, Teams, OneDrive and SharePoint Online for uninterrupted workflows and zero downtime. When you fill out that form, there are few things you can do to improve your chances of recovery of that account. Important thing expert Outlook tips by FixTechGuide to remember is that you will be able to change your password by yourself if the administrator in your organization allows users to change their passwords.
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.
They are not merely inconvenient and slow down work but can also lead to critical data loss. 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. Another fix that can work is simply to remove the synced account from Outlook, and add it again.
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 Microsoft Outlook Email Repair Tool Online 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.