If your Outlook is working in offline mode and you do not want this to occur, please perform the following steps to get it back online.

1. Navigate to the Send/Receive menu at the top of Outlook
2. Locate Work Offline and see if it is active (it will be highlighted as shown below).

2. 1. Click Work Offline to deactivate it if it is active.
   2. Outlook should automatically reconnect to the Microsoft Server.
      1. If Outlook is still offline after 10 minutes, close all open windows and re-open Outlook.
3. If the Work Offline option was not active, then close all Outlook Windows and restart your device.