Best Winmail.dat Viewer & Opener Apps

236+ iOS apps curated and reviewed

3.9 avg rating
16 free apps
Updated August 2026

Every iPhone needs a few good winmail.dat viewer & opener apps. We benchmark 236+ of them on App Store rating, freshness, and pricing, then surface the standouts so you don't have to scroll the App Store yourself.

Compare top Winmail.dat Viewer & Opener Apps (August 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Winmail.dat Viewer & OpenerWinmail.dat Viewer & OpenerFree was $1.995.0★ (5)NoYesAug 2026
2Winmail Viewer - Letter OpenerWinmail Viewer - Letter OpenerFree4.8★ (4.8K)NoYesAug 2026
3Winmail File Viewer & OpenerWinmail File Viewer & OpenerFree4.1★ (86)NoYesAug 2026
4Winmail Viewer:for DAT,XPS,MSGWinmail Viewer:for DAT,XPS,MSGFree2.0★ (1)NoYesMay 2026
5Winmail.dat Opener & ViewerWinmail.dat Opener & ViewerFreeNoYesAug 2026
6Winmail Dat Opener +Winmail Dat Opener +Free3.5★ (18)YesYesAug 2026
7Winmaildat OpenerWinmaildat OpenerFree3.6★ (75)YesYesJul 2026
8Winmail.Dat Opener · Win DatWinmail.Dat Opener · Win DatFreeNoYesAug 2026

Top Picks for Winmail.dat Viewer & Opener

Winmail.dat Viewer & Opener#1

Winmail.dat Viewer & Opener by 延平 陈

Winmail.dat Attachment Reader
Editor's Choice
🔧 Utilities
5.0(5 ratings)
FreeIn-App Purchases
Winmail.dat Viewer & Opener screenshot 1
Winmail.dat Viewer & Opener screenshot 2
Winmail.dat Viewer & Opener screenshot 3
Winmail.dat Viewer & Opener screenshot 4
Winmail.dat Viewer & Opener screenshot 5

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.

Winmail Viewer - Letter Opener#2

Winmail Viewer - Letter Opener by Letter Opener GmbH

Open Email, MSG & XPS files
Strong Contender
🔧 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.

Winmail File Viewer & Opener#3

Winmail File Viewer & Opener by An Sinh Pham

Extract files from winmail.dat
Worth Considering
💼 Business
4.1😐(86 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

Room to Improve

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

More Winmail.dat Viewer & Opener apps to explore

4
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
5
Winmail.dat Opener & Viewer
Winmail.dat Opener & Viewer
Winmail.dat Opener & Viewer
Open Winmail.dat Files Easily
Free
🔧 Utilities
(0)
6
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
7
Winmaildat Opener
Winmaildat Opener
Winmaildat Opener
by Maklabu GmbH
Free

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.

Open winmail.dat attachmentsPreview contained filesResend or print files
🔧 Utilities
(75)
free with in-app purchases
8
Winmail.Dat Opener · Win Dat
Winmail.Dat Opener · Win Dat
Winmail.Dat Opener · Win Dat
Open Win Mail Dat File, Windat
Free
📊 Productivity
(0)
9
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
10
OpenEML - EML Reader & Viewer
OpenEML - EML Reader & Viewer
OpenEML - EML Reader & Viewer
Open MSG Files & Attachments
Free

Easily open and manage email files (.eml, .msg, .oft) on your iPhone or iPad. Read, search, and organize messages with attachments in a clean interface. All files stay on your device.

Open EML, MSG, OFT filesView email detailsRead HTML and plain-text content
🔧 Utilities
(22)
free with in-app purchases
11
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
12
Winmail.dat Opener: Pro Reader
Winmail.dat Opener: Pro Reader
Winmail.dat Opener: Pro Reader
Dat, TNEF, MSG & XPS
$0.99
🔧 Utilities
(0)
13
MSG Viewer - Email Opener
MSG Viewer - Email Opener
MSG Viewer - Email Opener
Outlook MSG & OFT File Reader
Free
$0.99 | 100% OFF

Easily open and manage various email file formats like .msg, .oft, and .eml without needing Microsoft Outlook. This app allows you to view full email details, search content, handle attachments, and export files to multiple formats. It prioritizes user privacy with local processing and no account requirements.

Open .msg, .oft, .eml, .mbox, .mht filesView full email details and headersSearch within email content
💼 Business
(9)
free
14
Microsoft Outlook
Microsoft Outlook
Microsoft Outlook
Secure Email, Calendar & Files
Free

Consolidate all your email accounts and calendars into one streamlined application. Manage your inbox, schedule meetings, and access files from various cloud services. Enhance productivity with AI-powered writing assistance and smart inbox features.

Unified inbox for multiple email accountsSmart inbox sortingQuick swipe actions
📊 Productivity
(9.2M)
free with in-app purchases
15
Dat Unpack - Winmail Viewer
Dat Unpack - Winmail Viewer
Dat Unpack - Winmail Viewer
Open, Extract Winmail Files
Free
📊 Productivity
(0)
16
Winmail Viewer - TNEF Opener
Winmail Viewer - TNEF Opener
Winmail Viewer - TNEF Opener
Open winmail.dat attachments
Free
🔧 Utilities
(0)
17
iRAR - zip,rar,7z file opener
iRAR - zip,rar,7z file opener
iRAR - zip,rar,7z file opener
Unzip archives viewer,archiver
Free

Easily decompress and view archives in numerous formats, including ZIP, RAR, and 7Z. This app also allows you to create encrypted ZIP files, view various document and media types, and transfer files wirelessly. Secure your data with passcode and biometric locks.

Decompress 7Z, ZIP, RAR, and moreCreate encrypted ZIP filesView documents, images, and videos
🔧 Utilities
(5.3K)
free with in-app purchases
18
MailFolio: MSG & EML Viewer
MailFolio: MSG & EML Viewer
MailFolio: MSG & EML Viewer
Open Winmail.dat & Mail Files
Free
💼 Business
(0)
19
WinDat Opener
WinDat Opener
WinDat Opener
Decodes winmail.dat files
$5.99

Easily open and extract attachments from winmail.dat email files. This utility integrates with your device's file manager and cloud storage, allowing you to preview or open embedded documents and images with other applications.

Decodes all winmail.dat filesiOS 17 and iPadOS 17 supportDrag-and-drop support on iPads
🔧 Utilities
(3)
paid
20
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

FAQ about Winmail.dat Viewer & Opener

What are the best winmail.dat viewer & opener apps for iPhone?
Winmail.dat Viewer & Opener tops our winmail.dat viewer & opener apps ranking as of August 2026, with a 5.0-star average from 5 App Store ratings, and it's free to download.
Yes — 16 of the top winmail.dat viewer & opener apps we rank are free to download, including Winmail.dat Viewer & Opener and Winmail Viewer - Letter Opener.
Winmail.dat Viewer & Opener has no ads and offers in-app purchases, according to its App Store listing as of August 2026.
We track 236+ winmail.dat viewer & opener apps on the iOS App Store as of August 2026, ranked by rating, recency, and analysis of real user reviews.
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.
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.