Open .pub Files on Android — No Publisher, No APK Install
Android has never had Microsoft Publisher, and Microsoft 365's Android app doesn't include it either — so a .pub file that shows up on your phone has nowhere obvious to open. Rather than installing an unfamiliar APK from the Play Store just to view one file, PubOpener runs entirely in your phone's browser: it extracts the text and images from the .pub and exports them to PDF, PNG, HTML, or text, with nothing ever uploaded. It's an honest read of the content, not a pixel-perfect Publisher clone — and with Publisher support ending 13 October 2026, a no-install way to open these files matters more by the day.
No signup, no limits, no install. Your file never leaves this browser tab — no upload, no server.
Verify: how it works ↗
Microsoft has never shipped Publisher for Android, and it never will — Microsoft 365 for Android bundles Word, Excel, and PowerPoint, but Publisher isn't part of the mobile lineup. So when a .pub file lands in your Downloads folder, an email attachment, or a WhatsApp chat, your phone genuinely has no built-in way to open it. That gap is exactly what a handful of "PUB Viewer" apps on the Play Store try to fill.
The problem is trust. Installing an unfamiliar APK from an unknown developer, granting it storage permissions, and hoping it's not bundling ads or worse — all for a file you'll probably only ever open once — is a rough trade. PubOpener skips that entirely: it's a website, not an app, so there's nothing to install, nothing asking for phone permissions, and nothing left behind afterward.
Open pubopener.pro in Chrome, Samsung Internet, or whatever browser is already on your phone, and pick the .pub file straight from Downloads, Google Drive, or your email app. The parsing happens right there in the browser using your phone's own processing — the file is never sent to a server, which matters if it's a client's flyer or a colleague's internal newsletter.
Once it's open, PubOpener pulls out the text and any embedded images and lets you export the result as a PDF, PNG, HTML page, or plain text — whichever is easiest to save, print, or forward from a phone. Worth saying plainly: this reads the real content of the file, but it's not a pixel-perfect rebuild of Publisher's original page layout. With Microsoft retiring Publisher entirely on 13 October 2026, a browser-based way to get at .pub content — on any device, including the one already in your pocket — is only going to get more useful.
Steps
- Open pubopener.pro on your Android phoneLaunch Chrome, Samsung Internet, or any browser on your Android device and go to pubopener.pro. No app or Play Store install needed.
- Select your .pub fileTap to choose the file from Downloads, Google Drive, or wherever it's saved — an email attachment, a chat download, or shared storage. It's read on your device, never uploaded.
- Preview and exportView the extracted content, then export it as PDF, PNG, HTML, or plain text — whichever format is easiest to save, print, or share from your phone.
Common questions
Is there an app to open .pub files on Android?
Not from Microsoft — Publisher has never been part of Microsoft 365 for Android, which only includes Word, Excel, and PowerPoint. A few third-party "PUB viewer" apps exist on the Play Store, but installing an unknown APK and granting it storage permissions for a single file is a lot to ask. PubOpener works as a website instead, so there's no app to install at all.
Can I open a .pub file directly in my phone's browser?
Yes. Go to pubopener.pro in Chrome, Samsung Internet, or any mobile browser, then select the .pub file from Downloads, Google Drive, or an email attachment. It opens right there — no desktop computer needed.
Do I need Microsoft Publisher to use this?
No. You couldn't install Publisher on Android even if you wanted to, since it doesn't exist for the platform. PubOpener reads the .pub file format directly, so Publisher isn't required on any device.
Is my .pub file uploaded to a server?
No. Everything runs client-side in your phone's browser — the file is read and parsed locally and never leaves your device. That's a meaningful difference from sites that ask you to upload a document before they'll show it to you.
Is PubOpener actually free, and are there limits?
Yes, completely free and unlimited. No signup, no per-file caps, no watermark on exports, and no trial period — it's a static tool with no server-side quota to run into.
What can I actually do with the file once it opens?
PubOpener extracts the text and embedded images from the .pub file and lets you export what it finds as a PDF, PNG image, HTML page, or plain text. It's honest extraction, not a pixel-perfect recreation of Publisher's original layout, but the content itself comes through and is easy to save, print, or forward from a phone.