Back up email messages locally using Thunderbird


Introduction

Saving means copying or moving messages from folders on the email server (remote folders) into local folders on your computer. Once messages are in your local folders, you then delete them from the server. This procedure, called archiving, also reduces the amount of data stored in your account, making room for new messages to be delivered.

Instructions

  1. Create a local folder in Thunderbird:
    1. Select New from the File menu (three stacked lines icon).
      File menu new
       
    2. Select Folder...
      New folder
       
    3. Under Name, type in a meaningful name.
    4. Under Create as a subfolder of, make sure it has Local Folders.
    5. Click on the Create Folder button.
      New folder window
       
  2. Move the message(s) to the local folder:
    1. Click to select the remote folder.
    2. Highlight a message or multiple messages.
    3. Place your mouse’s cursor over the messages and right-click.
    4. Choose either Copy To or Move To, then choose Local Folders → destination folder.
      Right-click menu options
       
    5. Verify that your messages are in the local folder.
    6. If you selected Copy To in step 4, then select those messages in the remote folder again and press Delete.
    7. Your messages in the remote folder are flagged for deletion or will be moved into the Trash.
    8. Select Empty Trash from the File menu (three stacked lines icon) to permanently delete your messages.
      File empty trash