GainTools OST to PST Converter Software

Secure Solution to convert Offline OST files to PST format with Windows OST to PST Converter

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David Johnson· 3mo ago
I worked with this tool to convert OST files into PST format and found the process quite manageable. The options were easy to locate, and the overall workflow felt suitable for regular migration needs. It helped me organize mailbox data during conversion, although first-time users may need a little time to understand the available settings.
Olivia Middleton· 6mo ago
My Outlook profile got deleted after a system update, and I was left with only an OST file. I used GainTools OST to PST Converter to recover my mailbox data. It scanned the file quickly and converted everything into a PST without missing emails or attachments. The layout stayed the same, which made it easy to access later. It’s a good option when you need to recover data after unexpected issues.

GainTools OST to PST Converter is a reliable and efficient solution designed for effortless and secure conversion of OST mailboxes to PST format with complete accuracy. This professional OST to Outlook PST Converter efficiently converts any large-sized Offline OST files to PST format without requiring an Exchange server connection or Outlook installation. The software effectively converts all OST files, whether they are healthy, inaccessible, damaged, corrupted, or orphaned. The OST to PST Conversion Tool converted all PST files are easily opened in all versions of MS Outlook. The software comes with a simple and easy-to-use interface that is beneficial for everyone, whether they are tech proficient or non-tech individuals. Before beginning the conversion process, the software guarantees that the uploaded OST files are completely previewable. The tool also allows the resultant files to be saved in the chosen or preferred path. In addition, the software works perfectly and smoothly on all versions of Windows, both new and old.

GainTools OST to PST Converter converts Outlook OST files to PST format securely and accurately.

for: IT admins and users needing to migrate or recover Outlook OST data.
pricing: freemium · free trial

works withWindows 10Windows 11

Key features

6 features of GainTools OST to PST Converter Software

Effortless conversion — Simple wizard converts any OST to PST without Outlook or Exchange installed.
Preview before export — Shows full preview of selected OST data so you can verify before conversion.
Selective folder export — Allows exporting entire mailbox or specific folders like inbox, contacts, calendars.
Supports all OST states — Can convert healthy, inaccessible, corrupted or orphaned OST files.
Wide compatibility — Runs on Windows 7-11 and works with Outlook 2003-2016.
Multiple output formats — Exports to PST, MBOX, EML, EMLX, MSG.