Universal File Opener

Universal File Opener lets you view and inspect more than 570 file formats directly on your Android device. From legacy WordPerfect documents and Outlook archives to CAD drawings and DICOM medical images, the app renders content that usually requires a desktop suite. It is built for professionals and students who need reliable access to diverse file types without switching between multiple specialized viewers.

Overview

The application acts as a single hub for opening office documents, archives, media files, and technical formats. It preserves the original layout of Word, Excel, and PowerPoint files—including tracked changes, pivot tables, and speaker notes—while offering dedicated readers for OneNote, Publisher, Visio, and Apple iWork formats. Beyond office suites, it handles compressed archives, RAW photos, EPUB books, 3D models, and geospatial data, displaying decoded text or saved previews even when a file is partially damaged.

Key Features

• Broad format support: Opens 577 file types including DOC, XLS, PPT, Pages, Numbers, Keynote, Publisher, Visio, OneNote, PST, OST, ZIP, RAR, 7Z, RAW, EPUB, DjVu, DXF, DWG, DICOM, and Parquet.
• High-fidelity office rendering: Displays Word pagination, Excel cell grids, and PowerPoint layouts faithfully, with support for legacy binary formats.
• Free editing toolkit: Fill and sign PDFs, run offline OCR, edit photos, trim video and audio, modify text or code files, and extract archives without payment.
• Pro saving capabilities: Unlocks saving Office edits with tracked changes, full PDF manipulation (merge, split, redact, watermark), legacy conversions, and batch media processing.
• Offline-first privacy: Operates with zero internet permission, no ads, no tracking, and no mandatory account; files never leave the device unless you explicitly share them.
• Archive management: Browse, extract, create, and edit ZIP, RAR4, RAR5, 7Z, CAB, LHA, and LZH archives; create editable ZIP copies of unsupported formats.
• Specialist data viewers: Inspects SQLite databases, hex dumps, font tables, GPX tracks, and statistical data tables with CSV or Excel export options.
• Honest limitation alerts: Clearly marks unsupported edits (e.g., PDF-to-Word layout loss, read-only iWork files, DRM-protected books) and shows safely decoded content for damaged files.

Why Use Universal File Opener

Universal File Opener replaces a folder full of single-purpose viewers with one privacy-focused app that works entirely offline. Its free tier covers the vast majority of reading, inspection, and light editing tasks, while the optional Pro upgrade unlocks saving for advanced workflows. Transparent about what it cannot do, the app ensures you never waste time guessing whether a file will open—it simply shows you the content or explains the limit.

Download

Get the latest Universal File Opener APK from the Universal File Opener download page, where every release is listed with its file size, architecture and SHA-256 checksum.

You can also check the official listing on Google Play.