How to Open .pub Files Without Microsoft Publisher

Microsoft Publisher is being discontinued in October 2026 — and many people have already lost access to it through M365 subscription changes or machine upgrades. If you have .pub files you need to open or convert and no longer have Publisher, here are your actual options.

Option 1: Find a machine with Publisher still installed

The most reliable way to open a .pub file is with Publisher itself. Before going anywhere else, check:

• An older computer in your office that hasn't been updated
• A colleague's machine that still has Publisher via an older M365 plan
• A library or school computer lab (some still have the Microsoft Office suite including Publisher)
• A Microsoft 365 trial — Publisher is still included in trial accounts until the EOL date

If you have access to Publisher even temporarily, you can manually export PDF (File → Export → Create PDF/XPS). For IDML, Publisher doesn't export it natively — you'd need a third-party tool or service even with Publisher installed.

Option 2: LibreOffice Draw (free, simple files only)

LibreOffice Draw can open .pub files. It's free, runs on Windows, Mac, and Linux, and handles simple Publisher files reasonably well.

Where it works: Simple flyers, one-page layouts, basic text and images.

Where it struggles: Multi-page documents, complex text frame layouts, Publisher-specific styles, content outside the page boundary (pasteboard area), and embedded fonts. Expect text reflow on anything more complex than a simple design.

Option 3: Free online converters

Several online tools (Zamzar, CloudConvert, Convertio) accept .pub files and convert them to PDF or image formats. They're quick and free for small files.

The catch: These services use third-party parsers that reverse-engineer the .pub file format — they don't use actual Publisher. The output quality reflects that:

• Text reflows — paragraphs wrap at different points
• Fonts get substituted with generic alternatives
• Complex layouts drift or collapse entirely
• Content on the pasteboard is often lost

For simple documents or when you just need to read the content rather than reproduce the layout, online converters are fine. For anything you'll print or continue editing, they tend to disappoint.

Option 4: Conversion service using real Publisher

The highest-fidelity option for files you can't open yourself is a service that runs actual Publisher automation. These services maintain a Windows machine with a licensed copy of Publisher and open your files natively — the same way you would.

The advantages over parsers and online converters:

• Layout is preserved exactly as Publisher renders it
• Fonts embedded properly in the PDF output
• Pasteboard content (scratch area) is captured
• Multi-page documents handled correctly
• Batch processing — upload many files at once

Publisher Conversion uses this approach. You upload your .pub files, pay per file ($5 at base rate, less for larger batches), and receive PDF + IDML back by email within a few hours.

Quick comparison

What if I just need to read the content?

If you need to read the text from a .pub file and don't care about the layout, LibreOffice Draw or an online converter is usually enough. The text is generally legible even when the formatting is off. For anything you need to print, archive with fidelity, or continue editing, the layout matters — and you'll want a solution that uses real Publisher.