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Office 365 (Thunderbird) - Add an attachment to an email

Best Effort Support Only

This document contains instructions on using a non-Microsoft email client, such as Apple Mail or Thunderbird. Microsoft does not recommend these clients for use with Office 365, and there are often significant limitations in client functionality as a result.

Because of this, the DoIT Help Desk is only able to offer best effort support for these clients, and certain issues may require the use of a Microsoft client in order to be resolved. For more information on Office 365 client support, please see: Office 365 - Which clients/protocols will be supported?.

Files, web pages and v Cards can be attached to emails in Thunderbird.

Note before you attach a file, please review Office 365 Limits.


Attaching a file
  1. Open Thunderbird
  2. Create a new message or to respond to an existing message, select Reply, Reply All or Forward
  3. Click the paperclip next to the word Attach

    Attach menu selection

  4. Choose the file you wish to attach and click Open

    Open selection within attach screen

  5. Write and send your email
Attaching a web page or a vCard
  1. Open Thunderbird
  2. Create a new message or to respond to an existing message, select Reply, Reply All or Forward
  3. Click the down arrow next to the paperclip that says Attach

    Attach Web Page sub-menu selection

  4. Then either
    • Choose Web page and enter the address for a web page
    • Click vCard and your vCard will automatically attach
  5. Write and send your email


Keywords:microsoft office365 o365 attachment attach file   Doc ID:39414
Owner:Help Desk KB Team .Group:DoIT Help Desk
Created:2014-04-23 10:19 CSTUpdated:2020-08-13 17:22 CST
Sites:DoIT Help Desk, Office 365
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