Convert PST to MBOX — Free
Files convert instantly in your browser — 100% private, any file size, no account needed.
How to convert PST to MBOX
Need to convert a PST file to MBOX format? BoltConverter offers a free online solution. Our tool quickly transforms your Outlook PST files into the MBOX format, compatible with many email clients like Thunderbird and Apple Mail.
This service is easy to use and requires no software installation. Your files are processed securely on our servers and are automatically deleted after conversion, ensuring your data privacy.
Upload Your PST File
Click "Choose File" and select the PST file you want to convert from your device.
Start Conversion
Click the "Convert" button to begin the PST to MBOX conversion process on our servers.
Download MBOX
Once the conversion is complete, click "Download" to save your new MBOX file to your computer.
Files Deleted
Your uploaded PST and converted MBOX files are automatically deleted from our servers after conversion.
Frequently asked questions
Is BoltConverter's PST to MBOX tool free to use?
Yes, BoltConverter provides this PST to MBOX conversion service completely free of charge for all users.
How long does BoltConverter store my files?
Your uploaded PST files and converted MBOX files are automatically deleted from our servers immediately after conversion. We do not store your data.
Is there a file size limit for PST conversions?
Yes, the current file size limit for PST files is 100 MB per conversion.
What is the quality of the MBOX output file?
BoltConverter aims for high-quality conversions, preserving your email data, attachments, and folder structure accurately in the MBOX format.
Can I convert multiple PST files at once?
Currently, BoltConverter supports converting one PST file at a time. Please convert each file individually.