For safely converting an encrypted OST file to PST, a professional tool is usually the most effective option. I recommend the BLR OST to PST Converter.
Method:
Method:
- Install and launch BLR OST to PST Converter.
- Add the encrypted OST file to the software.
- Preview mailbox items such as emails, contacts, calendars, and attachments.
- Select PST as the output format.
- Choose a destination folder and start the conversion.