Open PDF, DOCX, XLSX, PPTX & all documents. File viewer + manager offline.
10+Downloads
FreePrice
EveryoneRated
Free to downloadNo accountAndroid
Updated Mar 22, 2026
Install on Google Play
About Office Reader
Can't open a file because you don't have the right app? Office Reader solves that.
One app for every document on your phone — PDF reader, DOCX viewer, XLSX spreadsheet viewer, PPTX presenter, CSV reader, TXT reader, and archive viewer for ZIP and RAR files. No switching. No installing five apps. Just open.
📂 Smart File Manager
Browse all your documents from one organized home screen. Filter files by type — PDF files, Word documents, Excel sheets, PowerPoint slides, or text files. Search by filename, sort by date, name, size, or file type. Your documents, always findable.
📄 PDF Reader & Viewer
Fast PDF loading with smooth page navigation. Zoom in or out, jump to any page, switch between portrait and landscape. Works fully offline — no internet, no ads to slow you down.
📝 DOCX Word Reader
Open DOC and DOCX files directly on your phone. Clean reading interface, adjustable font size, and full text display with formatting preserved.
📊 Excel XLSX Viewer
View XLS and XLSX spreadsheets with cell grid layout and column formatting. Great for reading reports, budgets, and data tables on the go.
🖥 PowerPoint PPTX Viewer
Display PPT and PPTX slides in full-screen with slide-by-slide navigation. Fast rendering, high resolution.
🗜 Archive Viewer (ZIP & RAR)
Browse ZIP and RAR archive contents without extracting. See what's inside any archive file instantly.
📋 CSV & TXT Viewer
Open comma-separated CSV files as a readable table. Plain text TXT files open instantly in a clean, adjustable reader.
🌙 Reading Themes
Customize background color and font size for comfortable long-form reading. Light mode and dark mode supported — available now, not "coming soon."
✔ Works offline — no internet required
✔ Lightweight and fast — opens files in seconds
✔ Clean file browser with recent files history
✔ Sort and filter all document types
✔ Supports internal and external storage
Office Reader is built for students, professionals, and anyone who needs to open all documents fast. Download and open your files — anytime, anywhere.
Screenshots
How it works
- 1
Download Office Reader for free
Search for "Office Reader" on the Google Play or tap the install button on this page. The app is completely free — no payment info required.
- 2
Open and start immediately
Launch Office Reader and open pdf, docx, xlsx, pptx & all documents. No account or lengthy setup required — just open and go.
- 3
Save and share your results
When you are done, save your work directly to your device or share it with others. Office Reader keeps your files on-device by default for privacy.
Why iStack apps?
Free to download
Every iStack app is free to install. Android apps are ad-supported with no IAP; iOS apps may offer optional premium features.
No account needed
Open and use immediately. We do not require sign-up or email to access core features.
Focused & fast
One app, one job. No bloat or feature overload — just what you need, working reliably.
Frequently asked questions
- Is Office Reader free?
- Yes, Office Reader is completely free to download on Google Play. It is ad-supported, so there are no paywalls or subscription fees required.
- Does Office Reader require an account?
- No account is required. Download Office Reader and start using it immediately — no sign-up, no email, no login needed.
- What is Office Reader used for?
- Open PDF, DOCX, XLSX, PPTX & all documents. File viewer + manager offline.
- Is Office Reader available on Android?
- Yes, Office Reader is available for Android and can be downloaded from Google Play.
- Does Office Reader work offline?
- Office Reader is designed to work with minimal or no internet connection for its core features. Some features may require connectivity.
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Ready to try Office Reader?
Free on Google Play — no account required.
Download on Google Play