Here are the free methods to convert OST to PST in short:
- Manual Method in Outlook:
- Create a new PST file.
- Copy emails from your OST to the PST file.
- Archive Feature in Outlook:
- Use Outlook's auto-archive to move older emails from OST to PST.
- Free Third-Party Tools:
- Use free tools like Kernel for OST to PST.
- PowerShell (Advanced):
- Use PowerShell to export emails from an OST file to PST (requires technical knowledge).
- Import/Export in Outlook (Exchange Users):
- Use Outlook's Import/Export feature to export data from OST to PST.