Free OST to PST Converter
Convert and repair corrupted Exchange OST files to Outlook PST format. Migrate multiple OST files with all emails, contacts, calendars, and attachments intact.
Windows 7-11
100% Secure
Powerful Features
Everything you need to convert OST to PST seamlessly
Batch Conversion
Add single or multiple OST files and convert them all to PST format simultaneously.
Preview Before Export
View all emails, contacts, calendars, and attachments before starting the conversion.
Repair Corrupted OST
Automatically repair and recover data from damaged or orphaned OST files.
Multiple Export Formats
Export to PST, EML, MSG, RTF, HTML, and MHTML formats based on your needs.
Maintains Folder Structure
Preserves original folder hierarchy and all metadata during conversion.
Split Large PST
Split large OST files into smaller PST files for easier management.
How It Works
Convert OST to PST in just 4 simple steps
Download & Install
Download the free OST to PST converter and install it on your Windows PC.
Add OST Files
Click Add to browse and select your OST files for conversion.
Preview & Select
Preview the contents and select specific folders or items to export.
Export to PST
Choose output format, set destination, and click Export to convert.
Frequently Asked Questions
What Our Customers Say
"A2Z Migration for OST to PST is very effective software. I received the activation key free of cost, and it converted all my data perfectly."
"I had several OST files to convert. This tool exported all of my OST files to PST at once. Highly recommended!"
System Requirements
Operating System
Windows 10, 8.1, 8, 7, Vista, XP
Processor
2.4 GHz or higher
Hard Disk
20 MB free space
Outlook Versions
2019, 2016, 2013, 2010, 2007