Coolutils OST to PST Converter Version: 2.1.0.63 Architecture: x86 / x64 (supports both 32-bit and 64-bit Windows) Type: Email migration & recovery tool Purpose: Converts offline Outlook OST files to PST format, allowing data access when the original Exchange or Outlook profile is unavailable.
: Click "Start" to begin. Once complete, the PST can be imported into Outlook via the File > Open & Export > Open Outlook Data File menu. OST to PST Converter Free Download - CoolUtils
If you need to unlock, recover, or migrate data from an inaccessible OST file, the Coolutils OST to PST Converter is an outstanding choice that won't let you down. You can download the free trial from the official Coolutils website and put it to the test today.
Processing Inbox... 12,450 items. Processing Sent Items... 8,200 items. Coolutils OST to PST Converter 2.1.0.63 -x86 x6...
Copy the target OST files locally onto the conversion machine. Running conversions directly over a local network share or Wi-Fi connection introduces latency and risks file corruption if the connection dips.
Microsoft Outlook relies on two distinct data storage mechanisms:
: Choose the output folder where the new PST file will be saved (e.g., local drive, USB, or network share). Coolutils OST to PST Converter Version: 2
: Version 2.1.0.63 is a 32-bit (x86) and 64-bit (x64) compatible build. Pricing and Availability
| Specification | Details | |---------------|---------| | File size | ~35 MB (installer) | | Supported OS | Windows 11, 10, 8.1, 8, 7, Vista (both x86 and x64) | | Hard disk space | 100 MB (plus space for converted files) | | RAM | Minimum 1 GB, recommended 4 GB+ for large OST files | | Processor | Any x86/x64 CPU from 1 GHz | | Outlook requirement | None for conversion; PST import requires Outlook | | Unicode support | Yes (supports international characters) | | Max OST file size | No practical limit (tested with 100GB+) |
"We tried the native scan tools," the Junior Associate said quickly. "They crashed at 15%. The file is 45 gigabytes. It’s too big. It’s fragmented." OST to PST Converter Free Download - CoolUtils
The tool can decrypt and convert password-protected OST files (provided the password is known or the profile cache is available).
OSTConverter.exe "C:\input.ost" /output "C:\output.pst" /format PST /split 4096
: A 30-day trial version with full functionality is available for testing.