If the Work Offline mode is already activated, deactivate it by clicking on it.Ģ.Repair the Microsoft Office Installation.Launch the Microsoft Outlook and click on the Send/Receive tab.Otherwise, Outlook cannot connect to the server. This feature helps you to perform all the functions except those which require connection to the server. Most of the time, you activate the offline mode to work effectively without the internet.
The first thing you should do is check whether the Work Offline mode is disabled or not. Try Methods to fix the Outlook Connectivity issue in Office 365 & Exchange Online are:
You can fix the problem through the inbuilt inbox repair tool, or you can use third-party software.