Winmail.dat Viewer & Opener
Winmail.dat Attachment Reader
Free · In‑App Purchases
Winmail.dat Opener Pro opens winmail.dat (TNEF), .msg, and .oft Outlook email attachments on iPhone and iPad with a one-time purchase — no subscriptions.
Works fully offline with 100% on-device processing for maximum privacy. Multilingual support has been upgraded and optimized for fast, secure file access.
Tired of “free” apps that lock basic features behind subscriptions?
Hate paying monthly just to open an email attachment?
Winmail.dat Opener Pro is a pay-once, own-forever solution.
No subscriptions. No trials. No recurring fees.
The app safely unpacks Outlook winmail.dat (TNEF) files and opens .msg and .oft files directly on your device. All processing happens on-device, so your emails and attachments never leave your phone.
Key features:
• One-time purchase. Own it forever.
• Open winmail.dat (TNEF), Outlook .msg, and .oft files.
• Extract attachments including photos, PDFs, Word, and Excel files.
• 100% on-device processing for maximum privacy.
• Optimized for the latest iOS with Dark Mode and Drag & Drop.
• Multilingual support fully upgraded and optimized.
Supported formats:
•Winmail.dat (TNEF)
•Outlook Message (.msg)
•Outlook Template (.oft)
How to use:
1. Open the Mail app or Files app.
2. Tap the attachment (winmail.dat, .msg, or .oft).
3. Select Share and choose Winmail.dat Opener Pro.
4. View, print, or save your files instantly.
No subscriptions.
No tracking.
No cloud uploads.
Just open your files — fast, private, and forever.
We update regularly to ensure compatibility with the latest iOS versions.
If you have any questions or feedback, feel free to contact us anytime.
Terms of Use:
https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
- Performance improvements and stability enhancements.
The developer, 延平 陈, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .
Data Not Collected
The developer does not collect any data from this app.
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- Seller
- 延平 陈
- Size
- 10.8 MB
- Category
- Utilities
- Compatibility
Requires iOS 15.0 or later.
- iPhone
Requires iOS 15.0 or later. - iPad
Requires iPadOS 15.0 or later. - iPod touch
Requires iOS 15.0 or later. - Mac
Requires macOS 14.0 or later. - Apple Vision
Requires visionOS 1.0 or later.
- iPhone
- Languages
English and 23 more
- English, Arabic, Czech, Dutch, French, German, Hebrew, Hindi, Indonesian, Italian, Japanese, Korean, Polish, Portuguese, Romanian, Russian, Simplified Chinese, Spanish, Swedish, Thai, Traditional Chinese, Turkish, Ukrainian, Vietnamese
- Age Rating
4+
- 4+
- In-App Purchases
Yes
- Winmail Opener Pro $7.99
- Winmail Opener Pro Weekly $0.99
- Dat Premium Yearly $3.99
- Copyright
- © yenpi 2026

