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Office 365 (Thunderbird) - Working Offline

Offline access allows you to use Thunderbird on your laptop or desktop when you are not connected to the internet.

Note: If you tell Mozilla Thunderbird to make your IMAP account inbox available offline, all messages will automatically be downloaded to your computer and you can read them or write replies without being connected. Then whenever you are able to connect back up to the Internet, you can do a "send and receive".

How to work offline
  1. Open Thunderbird
  2. In the bottom left corner of the application window, you will see an icon of two computers

    two computer icon

  3. Click once on this icon
  4. A pop up box will ask if you would like to download messages for offline use

    download message window

    • Select Download Now if you would like access to your current messages
    • Select Later if you would like to write new emails and do not need access to your current messages
  5. You are now working offline and no emails will send or be received
Tip If you prefer to either have your messages always downloaded or never downloaded you can check or uncheck the box on the pop up box

How to return to working online from working offline
  1. Open Thunderbird
  2. In the bottom left corner of the application window, you will see an icon of two computers
  3. If this icon has a red X with the computers, you are currently working offline

    two computer icon

  4. To return to working online, click once on the icon with the computers and the red X
  5. You are now working online again and may send and receive emails

See Also:




Keywords:microsoft office365 o365 mozilla thunderbird work offline online   Doc ID:39652
Owner:Help Desk KB Team .Group:DoIT Help Desk
Created:2014-04-30 09:05 CDTUpdated:2021-10-07 14:44 CDT
Sites:DoIT Help Desk
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