
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.

Tools That Can Help
- 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.
- When we are working with third-party software we might encounter some problems – it’s obvious and normal.
- There are few things that can happen to Outlook on the client side.
- Download and run the official Microsoft Support and Recovery Assistant (SaRA).
- For example, items that you delete from SharePoint or Microsoft Teams are retained in the recycle bin for a certain period before permanent deletion.
- When Office 365 search stops working after updates, it’s usually a minor indexing or cache issue — not a major fault.
- When it’s a problem with an internet connection, check your wi-fi or ethernet connection, and contact the internet provided if required.
- From Outlook desynchronisation to problems with OneDrive connection.
The operating
resolve Outlook not sending emails fast 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 recovery email address, try to fill out the Microsoft account recovery form.
Fix Outlook Stuck on Synchronizing Subscribed Folders (2025 Guide)
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
Exchange connectivity diagnostic 365 are more serious than other issues. They are not merely inconvenient and slow down work but can also lead to critical data loss.

Fix Tech Issues Fast
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. Issues can also arise from incorrect account permissions, which can affect access to various Office 365 features.
Tools that can help you fix Office 365 issues
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. 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.
Let’s find out what you can do if updates are not installed automatically, and what factors can cause update issues. Office 365 syncing problems are common for Office Mobile, but sometimes similar issues may occur for Office 365 desktop applications like OneDrive and Outlook. You may encounter issues when using any application, and Office 365 is no exception. Not all issues are caused by bugs left unpatched by the software vendor or by third-party applications like the recent Crowdstrike incident that caused a global O365 outage. Many issues that you may face day-to-day can be fixed on the client side. If
Outlook Not Sending or Receiving Email you encounter an issue in Office 365 that can only be fixed by the vendor, Microsoft usually releases an update to resolve any known issues as soon as possible.
How to Troubleshoot Common Microsoft 365 Problems and 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.
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. OneDrive issues are a separate category of problems with Microsoft 365. They can either be simple, like the OneDrive service not running or the missing OneDrive icon on the taskbar, or more complex, like OneDrive conflicting with Microsoft 365. Below we provide a more detailed list of issues and corresponding solutions.