Best Winmail Dat Apps

245+ iOS apps curated and reviewed

4.0 avg rating
17 free apps
Updated August 2026

If you already know Winmaildat Opener, this is the deeper bench. 245+ winmail dat apps for iPhone, all reviewed and ranked by user rating, recency, and download trend as of August 2026.

Compare top Winmail Dat Apps (August 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Winmaildat OpenerWinmaildat OpenerFree3.6★ (75)YesYesJul 2026
2Winmail.Dat Opener · Win DatWinmail.Dat Opener · Win DatFreeNoYesAug 2026
3Winmail Viewer - Letter OpenerWinmail Viewer - Letter OpenerFree4.8★ (4.8K)NoYesAug 2026
4Winmail.dat Opener & ViewerWinmail.dat Opener & ViewerFreeNoYesAug 2026
5Dat Unpack - Winmail ViewerDat Unpack - Winmail ViewerFreeYesYesMay 2026
6Winmail File Viewer & OpenerWinmail File Viewer & OpenerFree4.1★ (86)NoYesAug 2026
7Winmail Viewer:for DAT,XPS,MSGWinmail Viewer:for DAT,XPS,MSGFree2.0★ (1)NoYesMay 2026
8Winmail Dat Opener +Winmail Dat Opener +Free3.5★ (18)YesYesAug 2026

Top Picks for Winmail Dat

Winmaildat Opener#1

Winmaildat Opener by Maklabu GmbH

Editor's Choice
🔧 Utilities
3.6😊(75 ratings)
FreeAdsIn-App Purchases
Winmaildat Opener screenshot 1
Winmaildat Opener screenshot 2
Winmaildat Opener screenshot 3

Easily open and access files from winmail.dat attachments on your mobile device. This utility allows you to preview, resend, print, or save contained files without needing an internet connection. An optional purchase removes ads.

What We Love

  • 👍 Easy to use
  • 🚀 Works as advertised
  • 💰 Free with no hidden charges
  • 📁 Opens winmail.dat files

Room to Improve

  • 🐛 Doesn't work for some users
  • 🗑️ Can't delete opened files
  • 🔄 Unreliable file handling
Winmail Viewer - Letter Opener#3

Winmail Viewer - Letter Opener by Letter Opener GmbH

Open Email, MSG & XPS files
Worth Considering
🔧 Utilities
4.8(4.8K 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.

More Winmail Dat apps to explore

4
Winmail.dat Opener & Viewer
Winmail.dat Opener & Viewer
Winmail.dat Opener & Viewer
Open Winmail.dat Files Easily
Free
🔧 Utilities
(0)
5
Dat Unpack - Winmail Viewer
Dat Unpack - Winmail Viewer
Dat Unpack - Winmail Viewer
Open, Extract Winmail Files
Free
📊 Productivity
(0)
6
Winmail File Viewer & Opener
Winmail File Viewer & Opener
Winmail File Viewer & Opener
Extract files from winmail.dat
Free

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.

Open winmail.dat / TNEF filesExtract hidden email attachmentsPreview common file types
💼 Business
(86)
free with in-app purchases
7
Winmail Viewer:for DAT,XPS,MSG
Winmail Viewer:for DAT,XPS,MSG
Winmail Viewer:for DAT,XPS,MSG
RAR, Winmail.dat Reader, TNEF
Free

This tool allows users to extract, view, and save the contents of winmaildat, msg, and xps files. It provides a complete solution for managing these file types, including viewing all attachments and rich text messages.

Extract winmaildat, msg, xps filesView file contentsSave extracted files
📊 Productivity
(1)
free
8
Winmail Dat Opener +
Winmail Dat Opener +
Winmail Dat Opener +
View windat odt xps attachment
Free

Easily open and view "winmail.dat" attachments received via email. This utility resolves issues caused by different mail program formatting, allowing you to access important files sent from Microsoft Outlook.

Open winmail.dat filesView email attachmentsResolve formatting issues
🔧 Utilities
(18)
free with in-app purchases
9
Winmail Opener
Winmail Opener
Winmail Opener
by 科 姚
$0.99

Easily open and view the contents of winmail.dat email attachments. This tool allows you to instantly access original email content and any attached files without needing the sender to resend the message.

Open winmail.dat filesView original email contentExport files from winmail.dat
💼 Business
(5)
paid
10
Winmail Viewer – DAT Opener
Winmail Viewer – DAT Opener
Winmail Viewer – DAT Opener
Open Winmail.dat & MSG Files
Free

Effortlessly open and view various email attachment formats, including Winmail.dat and MSG files. Extract embedded documents and images, and manage your files with integrated storage. Supports a wide range of email and document types for seamless access.

Open Winmail.dat, MSG, OFT, XPS/OXPS, and EML filesExtract attachments like PDFs and Office documentsView formatted messages with original layout
🔧 Utilities
(17)
freemium
11
Winmail.dat Opener: Pro Reader
Winmail.dat Opener: Pro Reader
Winmail.dat Opener: Pro Reader
Dat, TNEF, MSG & XPS
$0.99
🔧 Utilities
(0)
12
Winmail.dat Viewer & Opener
Winmail.dat Viewer & Opener
Winmail.dat Viewer & Opener
Winmail.dat Attachment Reader
Free
$1.99 | 100% OFF

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) filesOpen Outlook .msg and .oft filesExtract attachments (photos, PDFs, Word, Excel)
🔧 Utilities
(5)
paid
13
Winmail Reader Lite
Winmail Reader Lite
Winmail Reader Lite
by RootRise Technologies Pvt. Ltd.
Free

This app decodes "winmail.dat" attachment files, allowing you to open, read, save, or email any contained files. It also extracts the original email message and can create calendar events or contacts from the data.

Decodes winmail.dat filesLists all attachmentsInbuilt quick-look preview
📊 Productivity
(82)
free with in-app purchases
14
Winmail Reader
Winmail Reader
Winmail Reader
Open a winmail.dat file
$1.99

Easily open and manage "winmail.dat" attachment files on your iOS device. This app decodes the TNEF format, allowing you to view, save, share, or resend any contained attachments and the original email message.

Decodes winmail.dat filesLists all attachments and email messageInbuilt quick-look preview for attachments
💼 Business
(256)
paid
15
Winmail Viewer - TNEF Opener
Winmail Viewer - TNEF Opener
Winmail Viewer - TNEF Opener
Open winmail.dat attachments
Free
🔧 Utilities
(0)
16
Winly: Winmail.dat Opener
Winly: Winmail.dat Opener
Winly: Winmail.dat Opener
Open winmail.dat Attachments
Free
🔧 Utilities
(0)
17
Intune Company Portal
Intune Company Portal
Intune Company Portal
Company resources on the go
Free

Access corporate apps, data, and resources securely from your mobile device. Enroll your device, reset passwords, find work-related apps, and manage your enrolled devices. Get IT support contact information directly within the app.

Enroll device for corporate resourcesReset work account passwordDiscover company-provided apps
💼 Business
(707K)
free
18
myMail box: email client app
myMail box: email client app
myMail box: email client app
E-mail for Gmail, Hotmail, AOL
Free

Consolidate and manage multiple email accounts from various providers in a single, user-friendly interface. Enjoy customizable notifications, enhanced security features, and efficient search capabilities to streamline your communication.

Unified inbox for multiple email accountsCustomizable push notificationsEmail thread view
📊 Productivity
(18K)
free with in-app purchases
19
TNEF's Enough
TNEF's Enough
TNEF's Enough
by Joshua Jacob
Free

Easily read and extract files from Microsoft TNEF attachments, commonly found as "winmail.dat" in emails from Outlook and Exchange. This utility allows you to access embedded attachments, contact cards, and calendar events within these files.

Read TNEF filesExtract attachmentsOpen winmail.dat
🔧 Utilities
(68)
free
20
winmail.decoder
winmail.decoder
winmail.decoder
by Pascal Jugnet
Free
🔧 Utilities
(0)

FAQ about Winmail Dat

What are the best winmail dat apps for iPhone?
Winmaildat Opener tops our winmail dat apps ranking as of August 2026, with a 3.6-star average from 75 App Store ratings, and it's free to download.
Yes — 17 of the top winmail dat apps we rank are free to download, including Winmaildat Opener and Winmail.Dat Opener · Win Dat.
Winmaildat Opener shows ads and offers in-app purchases, according to its App Store listing as of August 2026.
We track 245+ winmail dat apps on the iOS App Store as of August 2026, ranked by rating, recency, and analysis of real user reviews.
Winmaildat Opener is a free utility app designed to open and extract files from winmail.dat email attachments. It allows you to view the contents of these attachments directly on your phone or tablet.
The app registers itself as a handler for .dat files. When you tap on a winmail.dat attachment, the app will launch, displaying a list of its contents. You can then choose to preview, resend, print, or save these files.

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