Yes, you can convert multiple Thunderbird mailboxes with attachments to PST using a tool like MailsDaddy Thunderbird to Outlook Converter. It's designed for bulk migration and ensures all data, including attachments and folder structure, is transferred accurately.

If you need to move a lot of Thunderbird mailboxes and attachments to PST format, a good program can help you do it faster and easier. One simple way is to use a specific converter program that can change several files at once and keeps your data safe. You can use FixVare Thunderbird to PST Converter. These tools can work with more than one file at a time, so you don't have to convert each mailbox one at a time. this Software that has a simple interface, works with massive Thunderbird files, and keeps the folder structure the same is an excellent solution. It makes sure that the results are correct and that all attachments are included in the conversion. You can quickly switch to Outlook without losing important emails.

If you really want to batch convert multiple Thunderbird mailboxes to PST format with attachments, then you need a professional solution for this conversion process. Try the BLR MBOX Converter Tool to convert multiple Thunderbird mailboxes to PST without any data size limitations. There are users who can convert selective Thunderbird emails into PST format without any data loss. The tool gives users the option to save Thunderbird emails according to their space. There are zero chances of data loss once the migration process is done. Try the free demo edition first to know more about the software without paying a single dime.