Coolutils Ost - To Pst Converter 2.1.0.63 -x86 X6...

You can filter items by date range, sender, subject, or attachment presence. This dramatically reduces conversion time when you only need specific data.

Version 2.1.0.63 is not the latest (as of 2026); newer versions may support more Outlook updates or Office 365 OST variants.

| Feature | Coolutils OST to PST | Stellar Converter | Kernel OST to PST | SysTools | |---------|----------------------|-------------------|-------------------|-----------| | Outlook not required | ✅ Yes | ❌ No | ✅ Yes | ❌ No | | x86/x64 support | ✅ Yes | ✅ Yes | ❌ (x86 only) | ✅ Yes | | Batch conversion | ✅ Yes | ✅ Yes | ✅ Yes | ✅ Yes | | Free preview limit | 10 items/folder | 30 items | 20 items | 15 items | | Price (single license) | $69.95 | $99.00 | $79.00 | $89.00 | Coolutils OST to PST Converter 2.1.0.63 -x86 x6...

Coolutils offers the best balance of price, performance, and no-Outlook-required functionality.

Q1: Can I convert an OST file that is larger than 50GB?
Yes. Coolutils OST to PST Converter supports OST files up to 2TB, provided your file system can handle it (NTFS recommended). You can filter items by date range, sender,

Q2: Will this work with Outlook 365 (Microsoft 365) OST files?
Yes. Version 2.1.0.63 fully supports the latest OST format used by Outlook 365.

Q3: Do I need administrative privileges to install?
Yes for installation. But after installation, you can run the converter as a standard user for most OST files. | Feature | Coolutils OST to PST |

Q4: Is the software safe from viruses or malware?
Yes. Coolutils is a trusted developer since 2003. The installer is digitally signed, and all major antivirus engines (Windows Defender, McAfee, Norton) recognize it as clean.

Q5: Can I convert OST to PST on Windows Server without a GUI?
Yes. The Server license includes a command-line interface (CLI) version for scripting and automation.

Q6: How do I update from an older Coolutils version?
Visit the official website, download version 2.1.0.63, and install over your existing version. Your license remains active.

If command-line is available: