Convert PST Files Online — 4 Format Options
Convert PST File Online — Free & Instant
No signup required. Works in your browser.
📁 Drag & drop your file here
or click to browse • Max 100MB
✅ Free • ⚡ Instant • 🔒 Secure • 💻 No install
About PST Files
PST (.pst) is a email file format developed by Microsoft. PST is Outlook Personal Storage Table for emails and contacts.
It is commonly used by professionals to read and archive files in professional and personal workflows. With OpenAnyFile, you can convert your .pst files to 4 different formats directly in your browser — no software installation required.
How to Convert PST Files — Step by Step
- Upload your file — Drag and drop your .pst file into the converter above, or click "Browse" to select it from your device. Files up to 50MB are supported.
- Automatic detection — OpenAnyFile identifies the PST format using magic byte signature analysis (not just the file extension), ensuring accurate format recognition.
- Select target format — Choose from 4 supported output formats. Popular choices include EML, MSG, CSV.
- Convert instantly — Processing happens in the cloud and typically takes just a few seconds, even for large files.
- Download your file — Once conversion is complete, download your converted file immediately. Files are automatically deleted after 1 hour for security.
Why Convert PST Files?
Email attachments have size limits, and .pst files can be large. Converting to a compressed or optimized format makes sharing via email or cloud storage much faster.
- Universal Compatibility: Not everyone has software that opens .pst files. Converting to a universal format like PDF, JPG, or PNG ensures anyone can access your content on any device.
- Smaller File Size: Some target formats offer better compression, reducing file size by up to 80% for easier sharing via email or cloud storage.
- Easier Editing: Convert to an editable format to modify content that may be locked or read-only in .pst format.
- Long-term Archiving: Convert to standardized formats (PDF/A, TIFF, PNG) for reliable long-term storage and future accessibility.
- Web Publishing: Convert .pst to web-friendly formats for use in websites, social media, or online presentations.
All PST Conversion Options (4 Formats)
Below is the complete list of formats you can convert .pst files to using OpenAnyFile:
- PST to EML — Convert your .pst file to EML format online, fast and free
- PST to MSG — Convert your .pst file to MSG format online, fast and free
- PST to CSV — Convert your .pst file to CSV format online, fast and free
- PST to TXT — Convert your .pst file to TXT format online, fast and free
Tips for Best Conversion Quality
When converting PST to a lossy format, choose quality settings carefully. Higher quality means larger files but better fidelity.
OpenAnyFile uses professional-grade conversion engines to ensure maximum quality. Common issues with .pst files include: Can become corrupted with large sizes.
PST Format Details
| Property | Value |
|---|---|
| Format Name | PST |
| File Extension | .pst |
| Category | |
| Developer | Microsoft |
| Conversion Targets | 4 formats |
Frequently Asked Questions
Can I convert .pst files online for free?
Yes. OpenAnyFile lets you analyze and preview .pst files for free. You can convert up to 3 files per day on the free plan. Unlimited conversions are available with Pro.
What formats can I convert .pst to?
PST can be converted to 4 formats including EML, MSG, CSV, TXT. Each conversion preserves quality and formatting as much as the target format allows.
Is it safe to convert .pst files online?
Absolutely. Files are processed securely using HTTPS encryption and automatically deleted after conversion. We never store your file contents permanently. Your data stays private.
Do I need software to convert .pst?
No. OpenAnyFile works entirely in your browser — no downloads or installations needed. It works on Windows, Mac, Linux, iOS, and Android devices.
How long does PST conversion take?
Most .pst files convert in under 10 seconds. Larger files (over 50MB) may take up to 30 seconds depending on the target format and complexity.
Can I convert multiple .pst files at once?
Yes, batch conversion is available for Pro users. Upload multiple .pst files and convert them all to the same target format simultaneously.
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