This page will help you to resolve the Office 365 online archive not working issue. An online archive is a feature that provides extra space for users to store their data. You can use the Microsoft Outlook application and Outlook web to access the archived messages. Now, if you’re unable to open the archive mails, then check the default retention policy.
Make sure that the users and other default retention policies are the same. To confirm it, follow the instructions given below.
Now, try to access the online archive folder. If the Office 365 online archive not working issue persists, then perform the following solutions.
If the Office 365 online archive not working issue persists, then scan the Office 365 application using the Microsoft Support and Recovery Assistant tool. This tool would resolve all the issues related to Office 365.