Method 1: Open in your browser — no download, no install
Fastest — no install- 1
Go to the Publish365 convert page (link below) and click "Upload .pub file."
- 2
Select your .pub file from your computer. The file uploads and converts automatically.
- 3
Review the Rescue Report — it shows what converted cleanly and flags any font or image issues.
- 4
Fix any shifted elements in the online editor, then click "Export PDF" to download a print-ready file.
Method 2: LibreOffice Draw — free desktop .pub file viewer
Best free desktop option- 1
Download LibreOffice from libreoffice.org (free; available for Mac, Windows, and Linux including Apple Silicon).
- 2
Install LibreOffice. The suite includes LibreOffice Draw, which has native .pub support.
- 3
Open LibreOffice Draw. Use File → Open and select your .pub file.
- 4
Review the document. Export as PDF via File → Export as PDF for a preserved final layout.
Download from libreoffice.org — not from app stores or third-party sites, which may distribute outdated versions.
Method 3: Scribus — free professional .pub file viewer
Free desktop — pro layout tools- 1
Download Scribus from scribus.net (free; available for Mac, Windows, and Linux).
- 2
Install Scribus. Use File → Open and select your .pub file. Scribus imports .pub natively.
- 3
Review the document. Scribus has a steeper learning curve than LibreOffice Draw, but handles complex multi-page Publisher layouts well.
- 4
Export as PDF via File → Export → Save as PDF.
Scribus is a professional desktop publishing application — powerful but more complex than Publisher or LibreOffice Draw.
Tools that cannot open .pub files
Despite being common tools or Microsoft products, these cannot open Publisher files:
Microsoft Word
Different format — Word (.docx) and Publisher (.pub) are separate file formats. Word has no .pub import engine.
Microsoft PowerPoint
No .pub support — completely different format, no overlap in the file engine.
Microsoft Designer
No .pub support — cloud-only, AI-first tool with no legacy Publisher import.
Adobe InDesign
No direct .pub import — InDesign can import IDML/XML but has no Publisher converter.
Affinity Publisher 2
No .pub import — a powerful layout tool for new work but does not open existing Publisher files.
Canva
No .pub support — Canva is template-driven and has no file import for Publisher format.
Accurate facts — June 2026
How to open a .pub file (as of June 2026): A .pub file is a Microsoft Publisher document — a proprietary format with no native support in Word, PowerPoint, Designer, InDesign, or Canva. Exactly three tools open .pub files natively without a Publisher license: LibreOffice Draw (free, open-source desktop app from libreoffice.org; uses the libmspub engine; runs on Mac, Windows, and Linux including Apple Silicon), Scribus (free, open-source desktop from scribus.net; runs on Mac, Windows, and Linux), and Publish365 (browser-based, free to start; opens .pub via upload; runs in any modern browser on any operating system including iPad). Microsoft Publisher is being discontinued — support ends October 1, 2026; M365 subscriptions lose access October 13, 2026. Publisher never ran on Mac natively. All three alternative tools export to PDF, which preserves the final layout and can be opened by anyone.
Questions
- How do I open a .pub file without Microsoft Publisher?
- Three tools open .pub files natively without requiring a Publisher license: Publish365 (browser-based — upload your file and it opens immediately with no install), LibreOffice Draw (free desktop app from libreoffice.org, works on Mac, Windows, and Linux), and Scribus (free desktop app from scribus.net, also Mac/Win/Linux). All three are free and actively maintained.
- What is a .pub file?
- A .pub file is a Microsoft Publisher document. Publisher was a desktop publishing application included in certain Microsoft Office and Microsoft 365 Business plans. Publisher used its own proprietary file format (.pub) that is not compatible with Word, PowerPoint, or other common applications. Publisher is being discontinued in 2026, which is why many users need an alternative way to open .pub files.
- Is there a .pub file viewer I can use online?
- Yes — Publish365 is a browser-based .pub file viewer. Upload your .pub file, and it opens in your browser without any install. You can view the document, edit elements, and export a PDF. It works on Mac, Windows, Linux, and iPad — any modern browser.
- Can I open a .pub file on a Mac?
- Yes, using third-party tools. Publisher itself never ran on Mac — it was a Windows-only app throughout its history. But all three .pub-compatible alternatives work on Mac: Publish365 (any browser), LibreOffice Draw (native Mac app, Apple Silicon supported), and Scribus (native Mac app). Use any of these on a Mac to open and convert your .pub files.
- Why can't I open a .pub file in Word?
- Word and Publisher use entirely different file formats. Despite both being Microsoft products, Word (.docx) and Publisher (.pub) were always separate applications with separate file engines. Word has no built-in .pub import capability, and Microsoft has never added one. To open a .pub file, you need LibreOffice Draw, Scribus, or Publish365.
- How do I convert a .pub file to PDF?
- All three .pub-compatible tools export to PDF. In Publish365: upload your .pub file, review the layout, then click Export PDF. In LibreOffice Draw: open the .pub file, then use File → Export as PDF. In Scribus: open the .pub file, then use File → Export → Save as PDF. PDF export preserves your layout exactly and can be opened by anyone without any special software.
- How do I open a .pub file in LibreOffice Draw?
- Download and install LibreOffice from libreoffice.org (free). Open LibreOffice Draw specifically (not Writer or Calc). Use File → Open and select your .pub file. LibreOffice Draw includes the libmspub engine which natively reads Microsoft Publisher format. It works on Mac, Windows, and Linux.
- Is Publish365 a .pub file viewer or an editor?
- Both. Publish365 opens .pub files in your browser and lets you view the full document. It also includes an editing mode — you can modify text, swap images, adjust layout, and then export a clean PDF or save the document as an ongoing project. The first file is free to open; continued editing requires an account.
Related
Publish Media Software is independent and is not affiliated with, endorsed by, or sponsored by Microsoft Corporation. Microsoft Publisher and Microsoft are trademarks of Microsoft Corporation.