Content Sometimes, for security reasons, Outlook may block your account and ask you to change your password. The following section will discuss the best ways to resolve the error Can’t Send Email from Outlook. You just need to have an overview of the entire blog to get your answer soon. Updating or reinstalling Outlook can fix many issues, ensuring that you have the latest bug fixes and performance improvements. Use the following steps to re-enable the Send immediately when connected opti...

Content Did alot of research into this issue, and before I would recreate the user profile, however the issue would still persist after some time. To this point, in Windows 10, Reset Internet Explorer Settings, and disconnecting the Work & School account in settings and restarting seems to work. To diagnose Outlook and OneDrive connection issues that often cause Office 365 not working problems. It seems to be some sort of error with the user not being able to connect and sync with M365 se...

Content If none of these steps resolve the issue, you may need to contact Microsoft support for further assistance. It's also possible that there's an issue with client-server communication such that OAB downloads aren't happening. In the worst case, export the mailbox content to pst and create a new mailbox. Turning it off and on again wont do anything except except re-connect their outlook to an already broken cache. "Cannot start Microsoft Outlook. Cannot open the Outlook window. The s...