Corbett
Free PST Viewer from Corbett previews Outlook PST files of any version and shows mail with attachments and meta data. Quick search, advanced search and four preview modes are free, while folder mode brings in many files together. Pro sends PST data to popular file formats and email clients.
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PST data opens on this PC alone and Corbett receives no mail.
Free demo, scanned clean on VirusTotal and a 30-day money-back window.
Lifetime licence from $99 Demo exports 10 PST files
PST viewer facts
Outlook keeps mail inside a PST file, and without Outlook that file stays locked. The viewer lists every message with attachments and meta data and asks for no licence to read.
Viewer panel content
Outlook versions covered
Free and Pro editions
Pro features
Why Outlook Mail Needs a Free PST Viewer
PST files arrive as attachments, hide on backup drives and wait on old PCs. Opening one without Outlook drags, while a viewer lists mail and meta data within seconds.
Core features
Install, load PST files, preview mail and filter it.
Install
Download the tool, install it and start it on a Windows PC. Outlook stays out of the picture.
Folder selection
Find Email Data Files under Open and select PST Files. Choose File loads one file while Choose Folder brings in a complete directory.
Message preview
Select a message and the panel shows it. Move across the modes for the body, properties, header and raw code.
Selective backup
Two search types cut the message list down until the needed mail appears.
Output options
Demo mode exports 10 PST files. Pro exports unlimited files to other formats and straight into email clients.
Before opening
Three checks keep the preview quick.
Source data
Collect the PST Files
Move the PST files into one folder on the PC. Opening them in the viewer leaves the originals as they were.
Load scope
Single files or full folders
Add one PST file or a folder with many. Choose Folder skips the step of adding files separately.
Edition
Viewer Edition or Pro Edition
Viewing stays free. Pro removes the 10 file export cap and adds web and desktop email client targets.
Moving PST mail into Outlook is covered in Import PST to Outlook and Import PST to Thunderbird.
Pro demo
Start Free PST Viewer Now
Demo mode exports 10 PST files to a format or client of choice. Reading has no limit.
Download free demoOutlook or viewer
PST files open natively in Outlook only. Compare that route with the viewer below.
| Task | Outlook only | Viewer |
|---|---|---|
| Cost | Free | $99 one time |
| One PST file | Opens in Outlook | Works too |
| Many PST files | Attached one at a time | Folder mode |
| Message header | Extra clicks needed | Header mode |
| Raw and hex data | Not shown | Raw and hex modes |
| Search | Outlook search only | Quick and advanced search |
| Outlook install | Needed for every file | Not needed |
| Cost | Outlook licence | Free of cost |
Outlook alone fits a single PST file at best.
Opening PST without Outlook is covered in Open PST file .
Specifications
Download details
System
Supported editions
Windows 11, 10, 8 and 7 in 32-bit and 64-bit editions.
Start the tool through Run as Administrator.
Corbett has built Windows email utilities since 2020. Questions about setup go to support staff.
Working process
Prefer text? The Open PST file post covers the manual route.
Common questions
Setup, folder mode, search and Pro export.
Download the viewer and install it on Windows. Find Email Data Files under Open, select PST Files, then Choose File or Choose Folder. The panel previews selected files. Switch modes and filter with Quick and Advanced Search.
No. Folder mode adds a full folder of PST files and the count has no limit.
Yes. Pro exports PST files to popular formats or straight to web and desktop email clients.
Content, Message Header, Raw Message and Hex View.
Yes. Every Windows version works, from Windows 11 down to older editions.
No. The viewer opens PST data without it.
Any of them. Files from all Outlook versions open and preview without limits.
Yes. It is smooth and interactive, so beginners and technical users manage it without help.
It narrows mail down by one keyword or several.
It filters by Date Range, CC, BCC, Subject, To and From.
No. Download and use it free. Demo mode exports 10 files and Pro lifts that cap.
Unlimited export to other formats and email clients. Viewing stays free.
Payment brings an email with a link to download and an activation key.
Windows 11, 10, 8 or 7 plus 100 MB of disk, 1 GHz Pentium chip and 4 GB of RAM.
Yes. Refunds are open to Pro buyers for 30 days.
Step by step
Posts on opening, moving and exporting Outlook mail.
Send PST mail into
Further PST moves
Hosted account moves use the Email Migration Tool . Server cutovers use the IMAP Migration Tool. More formats sit with the email converter tool. Broken archives belong with the email recovery software. Two more free viewers cover other mail data: email viewer software. Same family: Free MBOX Viewer and Free Google Takeout Viewer. Also see the PST File Converter Tool, PST to EML Converter, PST to MBOX Converter, Convert PST to PDF and Email Migration Tool.
User testimonials
Scores from 92 users who opened PST mail with Corbett.
Collected across 92 reviews gathered from portals and inboxes, kept as sent.
This Free PST Viewer Tool is amazing, to say the least. It lets me open and preview my PST files without MS Outlook. It makes the entire process completely efficient and independent of any other program installation beforehand. Moreover, this tool provides incredibly unique features that are hard to find in any other tool. Simply put, this utility is justified to be an expert favorite.
I am not an Outlook user, however, I had been sent over 25 PST files to view and sort as a work assignment. This astonishing Microsoft Outlook PST File Viewer has helped me tremendously. Not only did it upload and preview PST files in bulk but also helped me avoid having to install Outlook beforehand. Its dual search settings helped me sort the PST emails in an efficient and hassle-free manner.
Get started
Read PST mail free, then add Pro for unlimited export. Pro costs $99 once with a refund window of 30 days.
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47.6 MB · Windows 11 to 7 · Free PST viewer