How can I import an .mbox file in StartMail?

Importing an .mbox file is not supported by all email providers.

Therefore, you usually need to take an intermediate step using an email client such as Thunderbird.

1. Download Thunderbird for Windows or MacOS.

2. Open Thunderbird, open the menu in the upper right corner and click on „Add-Ons and Themes“.
   
   

3. Search for ImportExportTools NG and click on „Add to Thunderbird“.
   
   

4. Close Thunderbird and re-start it.

5. On top you should see now the new „Add-on Import Export Tools NG“.

6. Perform in the folder view a right click on the Local Folder > ImportExportTools > Import mboxfiles > Individual mbox files
   
   

7. Select the .mbox file you created with your previous email provider.

8. A new folder containing all emails from your previous provider was created under the Local Folder.
   
   

How can I import the .mbox file in StartMail?

Once you've created a folder with your emails from your previous provider, it's time to set up an IMAP connection from StartMail to Thunderbird.

1. In the first steps you have to enable the IMAP function for your StartMail account and create an own IMAP device password. Read this article, how to do it.

2. Open the Thunderbird menu on top right and click on „New Account“ >„Existing E-Mail“
   
   

3. Enter Your Name, your correct StartMail- address and copy and paste the device password you generated in step 1.
   

4. After Thunderbird found your server settings, click on „Done“.
   
   

5. Your StartMail account appeared now in your Thunderbird. Now you just have to drag and drop the folder from the .mbox file up to the StartMail account.
   
   

6. After opening your StartMail Webinterface, the folder should be synchronized to your StartMail Webmail.