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App Store Apps > Utilities > Winmail.dat Opener & Viewer
Winmail.dat Opener & Viewer icon

Winmail.dat Opener & Viewer

by OMER FARUK KIZILTUG · Utilities · Free
On the App Store since March 2026 · Data updated 2026-11-04

Winmail.dat Opener & Viewer is made and published by OMER FARUK KIZILTUG. AppBrain is an independent app data site and isn't affiliated with OMER FARUK KIZILTUG. The app name, icon, screenshots and description belong to OMER FARUK KIZILTUG and are shown as published on the App Store.

AppBrain's verdict

Last updated
September 29, 2026
Size
19.2 MB
Official page on the App Store

User feedback

Ratings and reviews on the App Store

Comments on Winmail.dat Opener & Viewer for iOS

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Store listing

By OMER FARUK KIZILTUG, from the App Store
Winmail.dat Opener & Viewer Screenshot 1 of 5
Winmail.dat Opener & Viewer Screenshot 2 of 5
Winmail.dat Opener & Viewer Screenshot 3 of 5
Winmail.dat Opener & Viewer Screenshot 4 of 5
Winmail.dat Opener & Viewer Screenshot 5 of 5
Screenshots by OMER FARUK KIZILTUG, from the the App Store listing
Description by OMER FARUK KIZILTUG Written by the developer, not by AppBrain. Click to read.
CAN'T OPEN THAT WINMAIL.DAT FILE? WE'VE GOT YOU COVERED.

You received an email from someone using Microsoft Outlook, and instead of the attachment you needed, you got a mysterious "winmail.dat" file. Frustrating, right? Winmail Opener solves this problem instantly.

---

WHAT IS WINMAIL.DAT?

When Outlook users send emails using Rich Text Format (RTF), their attachments and formatting get bundled into a file called "winmail.dat" or "ATT00001.dat" - which Apple Mail, Gmail, and other email apps can't open. Winmail Opener decodes these files so you can access your documents, photos, and more.

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100% OFFLINE & PRIVATE

Your files NEVER leave your device. Unlike web-based converters that upload your sensitive documents to unknown servers, Winmail Opener processes everything locally on your iPhone, iPad, or Mac. No internet connection required. No data collection. Just pure privacy.

---

KEY FEATURES

- Instant Extraction: Open winmail.dat files in seconds
- Complete Privacy: All processing happens on your device
- Works Offline: No internet required for core functionality
- Multiple Formats: Also opens MSG and XPS files
- Calendar Events: Extract iCal appointments and add to Calendar
- Contact Cards: Extract vCards and add to Contacts
- Preview Files: View images, PDFs, and documents before saving
- Easy Sharing: Export attachments via Share Sheet
- Universal App: Works on iPhone, iPad, and Mac

---

HOW IT WORKS

1. Receive an email with winmail.dat attachment
2. Tap the attachment and choose "Open With" then Winmail Opener
3. See all extracted files in a clean, organized list
4. Preview, save, or share any attachment
5. Done! That's it.

---

SUPPORTED FILE TYPES

- Winmail.dat (TNEF from Microsoft Outlook)
- MSG (Outlook message files)
- XPS (XML Paper Specification documents)

---

FREE TO TRY

Open 10 unique files for free - no feature restrictions. If you need unlimited access, unlock it with a single one-time purchase. No subscriptions. No recurring fees. Pay once, use forever.

---

DESIGNED FOR APPLE

Built with Apple's design principles in mind. Clean interface, system-adaptive dark/light mode, and seamless integration with Share Sheet, Files app, and drag-and-drop on Mac.

---

PERFECT FOR

- Business professionals receiving corporate emails
- Legal and finance teams working with Outlook clients
- Anyone frustrated by "winmail.dat" attachments
- Mac users who receive emails from Windows/Outlook users

---

Stop being blocked by incompatible email formats. Download Winmail Opener today and access your attachments instantly.

Terms of Use:
https://winmail-dat-opener-viewer.blogspot.com/p/winmaildat-opener-viewer-term-of-use.html

Privacy Policy:
https://winmail-dat-opener-viewer.blogspot.com/p/winmaildat-opener-viewer-privacy-policy.html
Official page on the App Store

Safety and technology

Found in the app by AppBrain
Price
Free
App size
19.2 MB
Content rating
Everyone

Technologies used by Winmail.dat Opener & Viewer

Releases

Updates seen on the App Store
Version
1.7
Launched
March 2026

No changelog data

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Rankings

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App Store Rankings for Winmail.dat Opener & Viewer

This app is not ranked

About the app and developer

About Winmail.dat Opener & Viewer

Winmail.dat Opener & Viewer is an utilities app developed by OMER FARUK KIZILTUG.

User Ratings

The app has no ratings yet.

App Information

Winmail.dat Opener & Viewer is freely available from the App Store. The app size is 19.18 MB. The latest version available is 1.7. The last update was on September 29, 2026.

Technical Requirements

The app has a content rating of Everyone. The app has been available on the App Store since March 2026.

Developer information for OMER FARUK KIZILTUG

OMER FARUK KIZILTUG

Address:

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