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Winmail.dat Viewer & Opener

Winmail.dat Viewer & Opener

Open Winmail.dat & MSG Files

5 ratings
7 reviews
🔧 Utilities
💼 Business
$1.99 Free
In-App Purchases

Lowest price: Free 6 months ago (-100%)

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Price history

Details

  • Released
  • Updated

Features

Developer

延平 陈
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About

Easily open and extract attachments from Winmail.dat, .msg, and .oft email files directly on your device. This utility offers a private, offline solution with a one-time purchase, ensuring your data never leaves your phone.

✓Open winmail.dat (TNEF) files
✓Open Outlook .msg and .oft files
✓Extract attachments (photos, PDFs, Word, Excel)
✓100% on-device processing
✓One-time purchase, no subscriptions
✓Supports Dark Mode and Drag & Drop
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What's New in Winmail.dat Viewer & Opener

5.4.0

April 17, 2026

- Performance improvements and stability enhancements.

Subscription plans

Dat Premium Yearly

Dat Premium Yearly

$3.991 Year
How to cancel Winmail.dat Viewer & Opener subscription ⁉️
1

In-App Purchases

$7.99

Winmail Opener Pro

Winmail Opener Pro

User reviews

Most RecentHighest RatedLowest Rated

Perfect, lightweight, and does exactly what it says!

I was so frustrated getting unreadable Winmail.dat attachments from my colleagues using Outlook. This app solved the problem instantly. It’s incredibly lightweight and easy to use—just open the file and all the hidden attachments appear. It has saved me so much time and back-and-forth emailing. A must-have for any Mac user in a corporate environment!
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Iron ElonIron Elon

Does exactly what it needs to！

Opens winmail.dat files instantly. No fuss, no extra steps. A lifesaver for Outlook emails on Mac or mobile. Highly recommend!
Iron ElonIron Elon

works perfectly！

Lightning fast, extracts every attachment perfectly (PDFs, Word, pics, zips), seamless Mail app share, clean design, zero bugs. Finally ditch the frustration.
beijingfoxbeijingfox

Highly recommend!

I was so tired of asking people to resend emails because of these winmail.dat attachments. Winmail.dat Opener Pro works flawlessly. It’s fast, reliable, and has become an essential part of my workflow.
beijingfoxbeijingfox

my favor winmail viewer app

very well，no ads，reliable
kimi_uskimi_us
See 2 more reviews

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FAQ

How do I open a winmail.dat file with Winmail.dat Opener Pro?

To open a winmail.dat, .msg, or .oft attachment, tap the attachment in your email or Files app, select 'Share', and then choose Winmail.dat Opener Pro from the list of apps. Your files will be processed instantly on-device.

Does Winmail.dat Opener Pro require an internet connection?

No, Winmail.dat Opener Pro works fully offline. All file processing is done on your device, ensuring maximum privacy and accessibility without needing an internet connection.

What file formats can Winmail.dat Opener Pro open?

Winmail.dat Opener Pro can open winmail.dat (TNEF) files, as well as Outlook Message (.msg) and Outlook Template (.oft) files. It can also extract various attachments like photos, PDFs, Word, and Excel documents.

Is Winmail.dat Opener Pro a subscription app?

No, Winmail.dat Opener Pro is a one-time purchase application. You pay once and own it forever, with no recurring fees, subscriptions, or trials.

What devices is Winmail.dat Opener Pro available on?

Winmail.dat Opener Pro is available for iPhone, iPad, and iPod touch. It is optimized for the latest iOS versions and supports features like Dark Mode and Drag & Drop.

How often is Winmail.dat Opener Pro updated?

The app is updated regularly to ensure compatibility with the latest iOS versions. The latest update was on March 22, 2026, with version 5.2.

What is the age rating for Winmail.dat Opener Pro?

Winmail.dat Opener Pro has an age rating of 4+. This indicates it is suitable for users of all ages, with no content restrictions.

Does Winmail.dat Opener Pro track user data?

No, Winmail.dat Opener Pro prioritizes user privacy. It explicitly states there is no tracking, no cloud uploads, and all processing is done 100% on-device.