PST (Default), accessible by Outlook 2007 through Microsoft 365 Windows 11, 10, 8.1, 8, 7, and Windows Server editions License Type Commercial / Trial available Final Verdict
: When a user's account is deactivated, their offline data can be archived into a PST for legal or compliance retention.
You can verify file integrity via SHA-256 checksums provided on the official download page.
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Coolutils OST to PST Converter 的核心竞争力在于它的轻量与高效。它没有复杂的配置选项，专注于将OST文件快速、干净地转换为PST，非常适合追求速度和简便性的个人用户。而其他工具则可能在功能深度上更强，例如Stellar在修复严重损坏文件方面的能力，以及SysTools在企业级批量迁移方面的优势。
These are independent data files used to archive or back up Outlook items (emails, calendars, contacts, tasks). PST files can be easily moved between different computers and opened inside any standard Microsoft Outlook application via the "Import/Export" or "Open Outlook Data File" command.
Before committing to conversion, you can preview emails, contacts, calendar items, tasks, and notes. This allows you to verify the integrity of the source OST file. Coolutils OST to PST Converter 2.1.0.63 -x86 x6...
[ Exchange Server / Office 365 ] | v (Syncs Active Data) [ OST File (Offline Cache) ] ---> Locked to specific profile/machine | v [ Coolutils OST to PST Converter ] [ PST File (Personal Storage) ] -> Free to open on any Outlook client
Coolutils is a well-established name in the document conversion industry. Their OST to PST Converter is a specialized tool that extracts mailbox data from orphaned or inaccessible OST files and saves it into PST (Personal Storage Table) format, which can be opened directly in Microsoft Outlook.
Open MS Outlook, go to File > Open & Export > Open Outlook Data File, and select your new PST file. Conclusion PST (Default), accessible by Outlook 2007 through Microsoft
Looking into Coolutils OST to PST Converter 2.1.0.63 (x86/x64), here’s a concise, structured post summarizing what the tool does, key features, installation and usage, performance, limitations, and recommendations.
Besides PST, the tool can export to EML, MSG, HTML, PDF, and even Office 365 directly – though the primary focus remains OST to PST.
Converting files via the intuitive user interface involves a few clean actions: PST files can be easily moved between different