Which Programs Can Actually Open a .PUB File
Microsoft Publisher is the only program purpose-built to open .pub files, but with Microsoft ending its support on 13 October 2026, fewer people will have access to it. This page runs through every real option — desktop and browser-based — including PubOpener, which extracts the text and images from your .pub file directly in your browser and exports them as PDF, PNG, HTML, or text. It's not a pixel-perfect recreation of Publisher's layout, but it's free, private, and needs no install.
No signup, no limits, no install. Your file never leaves this browser tab — no upload, no server.
Verify: how it works ↗
Microsoft Publisher is the only program built specifically for .pub files, and it remains the most reliable choice if you already have Microsoft 365 or a standalone Office license — it's the one application that reads Publisher's full layout, fonts, and design intent without compromise. The catch is that Microsoft is retiring Publisher on 13 October 2026, so anyone without an existing license will soon have no legal way to install it at all.
A handful of desktop programs can open .pub files with mixed results. LibreOffice Draw can import some Publisher documents but frequently mangles text boxes, spacing, and multi-page layouts, especially on older .pub versions. CorelDRAW Graphics Suite has some compatibility but is a paid, professional-grade tool that's overkill for reading a single flyer or newsletter. Neither was designed around Publisher's file format, so results vary a lot from file to file.
For most people who just need to see what's inside a .pub file — a client's old flyer, a school newsletter, an archived brochure — installing or paying for desktop software is unnecessary. Browser-based tools read the file directly on your device: PubOpener parses the real .pub structure in your browser, pulls out the text and embedded images, and lets you export the result as PDF, PNG, HTML, or plain text. Nothing is uploaded to a server, there's no signup, and it works on Windows, Mac, Chromebook, or Linux without touching Publisher.
One honest caveat applies to every non-Publisher option, including PubOpener: none of them reproduce Publisher's exact pixel-for-pixel layout. What you get is the file's real content — text and images — laid out cleanly, not a perfect visual clone of the original design. For reading, archiving, or converting content to a modern format, that trade-off is usually a non-issue; for pixel-perfect print reproduction, Publisher itself (while it's still available) is the only option that guarantees it.
Steps
- Open pubopener.pro in any browserNo install, no signup — just navigate to the site on Windows, Mac, Chromebook, or Linux.
- Drop in your .pub fileThe file is read and parsed locally in your browser tab; nothing is uploaded anywhere.
- Export the content you needChoose PDF, PNG, HTML, or plain text to save the extracted text and images in a format any program can open.
Common questions
What program opens a .pub file?
Microsoft Publisher is the native program for .pub files. If you don't have it installed or licensed, free browser tools like PubOpener open .pub files directly in your browser without installing anything, and some suites like LibreOffice Draw or CorelDRAW offer partial compatibility.
Do I need Microsoft Publisher to open a .pub file?
No. PubOpener reads .pub files entirely in your browser, so you can view, extract, and export the content without ever installing or licensing Publisher.
Is PubOpener actually free?
Yes, PubOpener is completely free with no file limits, no watermark, and no account required. There's no hidden tier or usage cap.
Is my .pub file uploaded to a server when I use PubOpener?
No. PubOpener processes the file locally in your browser tab — it's never transmitted to a server, which matters if the file contains client work, personal documents, or anything sensitive.
Can LibreOffice or CorelDRAW open .pub files properly?
They can open many .pub files, but compatibility is inconsistent — text boxes, spacing, and multi-page layouts often shift or break, particularly on older Publisher file versions. Results vary by file.
Will any of these tools give me a pixel-perfect copy of my original Publisher layout?
No non-Publisher tool guarantees that, including PubOpener. What you reliably get is the file's real text and embedded images, exported cleanly to PDF, PNG, HTML, or text — not an exact visual clone of the original design.