How to Sync Windows Contacts to Thunderbird

Written by andrew todd Google
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How to Sync Windows Contacts to Thunderbird
The Windows Contacts folder is located in your user folder, which can be accessed through Windows Explorer. (address & phone book image by cegli from

Mozilla Thunderbird is an open source program made by the makers of Firefox that allows users to manage their e-mail accounts and news feeds. Thunderbird allows users to save their contacts in the program; however, contacts stored in Windows Contacts can be imported using a free add-on available from Mozilla's website. Thunderbird can be downloaded for free for both PC and Mac from Mozilla's website, and the program can link to virtually all e-mail accounts using POP, IMAP and Exchange.

Skill level:


  1. 1

    Download the Windows Contacts Importer add-on from Mozilla's website (see Resources). When prompted to save the file, ensure that it is saved in an easy-to-access location, such as the Desktop.

  2. 2

    Open "Thunderbird" and click "Tools," followed by "Add-ons."

  3. 3

    Click "Install" at the bottom of the Add-ons window.

  4. 4

    Browse to the file that was downloaded and then click "Open" to have Thunderbird automatically install the add-on. To complete the installation, Thunderbird may require a restart of the program.

  5. 5

    Click "Tools" and then click "Import Windows Contacts" to import your Windows Contacts into Thunderbird.

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