How to open a .pub file on Windows 11 without Publisher

Double-click a .pub file on a Windows 11 PC without Publisher and you get “How do you want to open this file?” and nothing in the list that works. Notepad, Word, Photos and Edge can’t read Publisher files. Microsoft is retiring Publisher in October 2026, so more people are in this position every week. Here are the ways that work, quickest first.

Option 1: convert it in your browser (free, nothing installed)

Altto’s Publisher converter works in Edge, Chrome and Firefox. The file is read inside the browser tab, so it never leaves your PC.

1. Open altto.co.uk/pub-to-word and drop the .pub file on the box (or click to choose it).
2. Check the recovered text, then choose Download as Word or Download as PDF.
3. Open the result in Word, or in Edge for the PDF.

What you get: the words in reading order and the pictures. What you don’t: the exact layout, fonts and columns. Have a whole folder of files? Use bulk conversion.

Option 2: open it with its layout in Altto Layout

Altto Layout is our free editor that runs in the browser. It opens a .pub file with text boxes, pictures and shapes in place, so you can fix a date or a phone number and save the result as PDF or Word. It can’t save back to .pub. Very old files (Publisher 2000 and earlier) open as text only.

Option 3: LibreOffice Draw (free, installed)

LibreOffice is a free office suite for Windows. Its Draw app imports many Publisher files.

1. Download LibreOffice from libreoffice.org and install it.
2. Right-click the .pub file, choose Open with, then pick LibreOffice Draw (or open Draw and use File → Open).
3. Choose File → Export as PDF to save a copy that opens anywhere.

Simple flyers often import well; complex newsletters can shift text boxes or swap fonts, so check the result.

Option 4: use Publisher if it’s still on a PC you can reach

Some PCs still have Publisher from Office 2016, 2019 or 2021. If you can reach one, open the file and choose File → Export → Create PDF/XPS. That keeps the design exactly. Microsoft 365 subscribers lose Publisher in October 2026, so export anything important soon. Or ask whoever sent the file to send a PDF instead.

What doesn’t work

• Renaming the file to .docx or .pdf. It only changes the label; the file still won’t open.
• Word, the Photos app or Edge. None has ever opened Publisher files.
• Random “free .pub viewer” downloads. Be careful with installers from sites you don’t know. A browser-based tool or LibreOffice avoids that.

On a Mac? See how to open a .pub file on a Mac. On a phone or tablet? See how to open one on iPhone, iPad or Android. Not sure what a file is? See which app opens which file.

Microsoft and Publisher are trademarks of Microsoft Corporation. Other product names are trademarks of their owners. Altto is not affiliated with or endorsed by any of them.