The reasons for Outlook 365 stuck in Offline mode are as follows: Reasons for Outlook 365 Stuck in Offline Mode So, in that case, users are unable to work on Outlook 365 and they need to export Office 365 to Outlook PST to gain access in offline mode.
But due to some minor problems like server goes down and electricity goes down the user is unable to access the internet every time. Consider a scenario “if the user has the Outlook 365 account and for accessing it they always need to be connected to the active internet connection because the user’s entire data is on the server.
