Best Winmail Viewer – Dat Opener Apps

0+ iOS apps curated and reviewed

3.9 avg rating
16 free apps
Updated September 2026

From beginner-friendly picks to power-user tools, our winmail viewer – dat opener list covers 0+ iPhone apps updated through September 2026. Compare ratings, prices, and screenshots in one place.

Compare top Winmail Viewer – Dat Opener Apps (September 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Winmail Viewer – DAT OpenerWinmail Viewer – DAT OpenerFree4.8★ (20)NoYesNov 2026
2Winmail Viewer - Letter OpenerWinmail Viewer - Letter OpenerFree4.7★ (5K)NoYesNov 2026
3Winmail File Viewer & OpenerWinmail File Viewer & OpenerFree4.1★ (91)NoYesNov 2026
4Winmail Viewer:for DAT,XPS,MSGWinmail Viewer:for DAT,XPS,MSGFree2.0★ (1)NoYesMay 2026
5Winmail.Dat Opener · Win DatWinmail.Dat Opener · Win DatFree—NoYesNov 2026
6Winmail.dat Opener & ViewerWinmail.dat Opener & ViewerFree—NoYesOct 2026
7Winmail Dat Opener +Winmail Dat Opener +Free3.5★ (18)YesYesOct 2026
8Winmail Viewer - TNEF OpenerWinmail Viewer - TNEF OpenerFree—NoNoJul 2026

Top Picks for Winmail Viewer – Dat Opener

Winmail Viewer - Letter Opener#2

Winmail Viewer - Letter Opener by Letter Opener GmbH

Open Email, MSG & XPS files
Strong Contender
🔧 Utilities
4.7(5K ratings)
FreeIn-App Purchases
Winmail Viewer - Letter Opener screenshot 1
Winmail Viewer - Letter Opener screenshot 2
Winmail Viewer - Letter Opener screenshot 3
Winmail Viewer - Letter Opener screenshot 4

Easily open and view Winmail.dat, MSG, and XPS email files that are incompatible with most email clients. Convert embedded content like appointments and notes into native iOS formats, and access all attachments within these files.

Winmail File Viewer & Opener#3

Winmail File Viewer & Opener by An Sinh Pham

Extract files from winmail.dat
Worth Considering
💼 Business
4.1😐(91 ratings)
FreeIn-App Purchases
Winmail File Viewer & Opener screenshot 1
Winmail File Viewer & Opener screenshot 2
Winmail File Viewer & Opener screenshot 3
Winmail File Viewer & Opener screenshot 4
Winmail File Viewer & Opener screenshot 5
Winmail File Viewer & Opener screenshot 6

Easily open and extract attachments from winmail.dat files on your Apple devices. This app decodes TNEF files, allowing you to view and save hidden email attachments like PDFs and images directly to your device.

What We Love

  • 🚀 Easy to use
  • 👍 Solves a common problem
  • 💡 Useful for business users
  • 🚀 Works as advertised
  • 👍 Great customer service

Room to Improve

  • 🐛 Doesn't work with some file types
  • 💰 Requires payment for extended use
  • 🐛 Compatibility issues with newer iOS versions
  • 🐛 Crashes or doesn't open files

More Winmail Viewer – Dat Opener apps to explore

FAQ about Winmail Viewer – Dat Opener

What are the best winmail viewer – dat opener apps for iPhone?
Winmail Viewer – DAT Opener tops our winmail viewer – dat opener apps ranking as of September 2026, with a 4.8-star average from 20 App Store ratings, and it's free to download.
Yes — 16 of the top winmail viewer – dat opener apps we rank are free to download, including Winmail Viewer – DAT Opener and Winmail Viewer - Letter Opener.
Winmail Viewer – DAT Opener has no ads and offers in-app purchases, according to its App Store listing as of September 2026.