Best Winmail Dat Viewer Pro Apps

189+ iOS apps curated and reviewed

4.0 avg rating
16 free apps
Updated May 2026

With an average user rating of 4.0★, the winmail dat viewer pro category is one of the App Store's strongest. Browse all 189+ apps we track, sorted so the most loved ones surface first.

Compare top Winmail Dat Viewer Pro Apps (May 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Winmail Viewer - Letter OpenerWinmail Viewer - Letter OpenerFree4.8★ (4.5K)NoYesJul 2026
2Winmail.dat Viewer & OpenerWinmail.dat Viewer & OpenerFree was $1.995.0★ (5)NoYesJun 2026
3Winmail Viewer:for DAT,XPS,MSGWinmail Viewer:for DAT,XPS,MSGFree2.0★ (1)NoYesMay 2026
4Winmail.dat Opener & ViewerWinmail.dat Opener & ViewerFreeNoYesJun 2026
5Winmail File Viewer & OpenerWinmail File Viewer & OpenerFree4.1★ (85)NoYesJul 2026
6Winmail Viewer – DAT OpenerWinmail Viewer – DAT OpenerFree4.7★ (15)NoYesJul 2026
7Winmail Dat Opener +Winmail Dat Opener +Free3.8★ (16)YesYesMay 2026
8Winmail ReaderWinmail Reader$1.994.5★ (251)NoNoJul 2026

Top Picks for Winmail Dat Viewer Pro

Winmail Viewer - Letter Opener#1

Winmail Viewer - Letter Opener by Letter Opener GmbH

Open Email, MSG & XPS files
Editor's Choice
🔧 Utilities
4.8(4.5K 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.dat Viewer & Opener#2

Winmail.dat Viewer & Opener by 延平 陈

Open Winmail.dat & MSG Files
Strong Contender
🔧 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
Winmail.dat Viewer & Opener screenshot 6

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:for DAT,XPS,MSG#3

Winmail Viewer:for DAT,XPS,MSG by 浩 宋

RAR, Winmail.dat Reader, TNEF
Worth Considering
📊 Productivity
2.0(1 ratings)
FreeIn-App Purchases
Winmail Viewer:for DAT,XPS,MSG screenshot 1
Winmail Viewer:for DAT,XPS,MSG screenshot 2

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.

More Winmail Dat Viewer Pro 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
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
(85)
free with in-app purchases
6
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
(15)
freemium
7
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
(16)
free with in-app purchases
8
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
(251)
paid
9
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
10
Dat Unpack - Winmail Viewer
Dat Unpack - Winmail Viewer
Dat Unpack - Winmail Viewer
Open, Extract Winmail Files
Free
📊 Productivity
(0)
11
OpenEML - EML Reader & Viewer
OpenEML - EML Reader & Viewer
OpenEML - EML Reader & Viewer
Open Email, MSG & 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
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
Letter Opener - Winmail Viewer
Letter Opener - Winmail Viewer
Letter Opener - Winmail Viewer
by Letter Opener GmbH
Free

Easily open and convert winmail.dat files, which are often unreadable by other email clients. Access all content, including appointments, notes, contacts, and attachments, converting them to native iOS formats. Export files to other applications for seamless integration.

Open Winmail.dat filesConvert appointments, notes, contactsAccess all attachments
📊 Productivity
(772)
free with in-app purchases
14
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
15
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
16
USB Disk Pro for iPhone
USB Disk Pro for iPhone
USB Disk Pro for iPhone
The File Manager
$49.99

This app allows you to store, view, and manage files on your iPhone. It offers a built-in document viewer, supports various file types, and enables easy file transfers via USB, Wi-Fi, and cloud services.

Store and view filesBuilt-in document viewerUSB and Wi-Fi file transfers
💼 Business
(191)
paid
17
3D File Viewer: OBJ STP & more
3D File Viewer: OBJ STP & more
3D File Viewer: OBJ STP & more
STP STL OBJ FBX GLTF & More
Free

Easily open and explore 3D model files on your iPhone or iPad. Supports over 20 popular formats, offering smooth viewing with intuitive touch controls. Ideal for designers, engineers, architects, and students working with 3D data.

Supports over 20 3D file formatsFast and smooth 3D file viewingZoom, rotate, and pan with touch controls
🔧 Utilities
(48)
free with in-app purchases
18
File Viewer
File Viewer
File Viewer
by Sharpened Productions
Free

Easily open and view over 100 different file types, including documents, images, videos, and archives. Browse files stored on your device or in iCloud Drive. This app also identifies unknown files and displays detailed file information.

Open 100+ file typesBrowse device and iCloud DriveBuilt-in readers for Office, PDF, and images
🔧 Utilities
(5)
free
19
STL File Viewer Pro
STL File Viewer Pro
STL File Viewer Pro
Simplest Way To View STL Files
Free

Easily view, rotate, and inspect 3D STL files on your iPhone or iPad. Load models instantly from various sources for 3D printing, design review, or engineering inspection.

Instant STL file loadingFull 360° rotation and zoomSharp detail rendering
🛠️ Developer Tools
(64)
free with in-app purchases
20
RAR Unzip-Zip File Opener 7Zip
RAR Unzip-Zip File Opener 7Zip
RAR Unzip-Zip File Opener 7Zip
Zip Extractor & RAR Extractor
Free

Easily manage your files by unzipping and archiving documents, photos, and videos. Browse and view various file types directly within the app. Offers premium features for advanced file operations and security.

Unzip/Unarchive filesCompress/Archive foldersRead & View Zip and RAR
🔧 Utilities
(3K)
freemium

FAQ about Winmail Dat Viewer Pro

What are the best winmail dat viewer pro apps for iPhone?
Winmail Viewer - Letter Opener tops our winmail dat viewer pro apps ranking as of May 2026, with a 4.8-star average from 4.5K App Store ratings, and it's free to download.
Yes — 16 of the top winmail dat viewer pro apps we rank are free to download, including Winmail Viewer - Letter Opener and Winmail.dat Viewer & Opener.
Winmail Viewer - Letter Opener has no ads and offers in-app purchases, according to its App Store listing as of May 2026.
We track 189+ winmail dat viewer pro apps on the iOS App Store as of May 2026, ranked by rating, recency, and analysis of real user reviews.
This app allows you to open and view Winmail.dat, MSG, and XPS email files that are typically unreadable by other email applications. It converts embedded content like appointments and notes into formats compatible with your iOS device and provides access to all attachments.
Simply tap on the Winmail.dat file when you receive it, and the app will open it automatically. It then processes the file to make its content accessible, including any attachments or embedded items like calendar events.