Office 365 (Outlook 2016 for Windows) - Switch from offline to online mode

In Outlook, you have the flexibility to make Outlook work online or offline.

How do you know when you're working offline or online in Outlook? There are visual cues, starting with the status bar at the bottom of your Outlook window. If either of the following status indicators are shown, it means Outlook isn’t connected.

working offline status. or disconnected status

You can't send or receive email until you reconnect.

Status: Working Offline

Working offline usually is a choice. Returning to an online work mode is a simple process.

NOTES:

Status: Disconnected

There can be different reasons why you're disconnected from Outlook. What follows are just a few examples of some of the possible reasons.

Here are some suggested ways to reconnect to Outlook.

Reset the Work Offline status Check for updates Create a new profile

To eliminate the possibility that there's a fault in your current Outlook profile, create a new profile: Windows | Mac. If you open Outlook using the new profile and it’s still disconnected, try removing your account and then adding it back again.

  1. In the Folder pane, right-click your account name, and then choose Remove name of account.
  2. Follow the steps in adding the account again to proceed.