Content rating
Everyone
1+
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Content rating
Everyone
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About this app

Easily open, read, and extract winmail.dat and .dat files on your Android device!

Have you received an email attachment named "winmail.dat" or ".dat" that you couldn't open? DAT & Winmail File Viewer is a lightweight, 100% offline utility designed to open and parse all types of .dat files instantly without compromising your privacy.

When you received formatted emails, it often wraps text and attachments into a TNEF format (winmail.dat). Our app automatically extracts the email text and hidden attachments so you can view or save them in seconds.

🔑 KEY FEATURES:

• Open winmail.dat & .dat Files: Parse email attachments received and Exchange effortlessly.
• Extract Hidden Attachments: Easily save photos, documents, PDFs, and files contained inside .dat files.
• 100% Offline & Secure: Your files stay on your device. No data is ever uploaded to external servers, ensuring complete privacy.
• Built-in Message Viewer: Read the extracted email body text cleanly inside the app.
• Clean & Modern UI: Fast, simple Material Design interface designed for effortless file navigation.
• Quick File Picker: Open .dat files directly from your Email app, Download folder, or File Manager.

HOW IT WORKS:
1. Select any .dat or winmail.dat file from your device.
2. The app automatically extracts the email content and embedded attachments.
3. Preview the email text or tap to save attachments to your Downloads folder!

Stop struggling with unreadable email attachments. DAT & Winmail File Viewer helps you to access your files instantly!
Open winmail.dat and .dat files offline. Extract attachments easily.
Updated on
Aug 12, 2026

Data safety

Safety starts with understanding how developers collect and share your data. Data privacy and security practices may vary based on your use, region, and age. The developer provided this information and may update it over time.
  • No data shared with third parties
    Learn more about how developers declare sharing
  • No data collected
    Learn more about how developers declare collection