Best Winmail Reader Apps

247+ iOS apps curated and reviewed

3.5 avg rating
16 free apps
Updated July 2026

Looking for free winmail reader apps? 16 of our 247+ tracked titles are free to download — no subscription, no trial. The rest are premium picks worth paying for.

Compare top Winmail Reader Apps (July 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Winmail Reader LiteWinmail Reader LiteFree4.2★ (82)NoYesMay 2026
2Winmail ReaderWinmail Reader$1.994.5★ (256)NoNoAug 2026
3Winmail Viewer - Letter OpenerWinmail Viewer - Letter OpenerFree4.8★ (4.5K)NoYesAug 2026
4Winmail Viewer:for DAT,XPS,MSGWinmail Viewer:for DAT,XPS,MSGFree2.0★ (1)NoYesMay 2026
5Winmail File Viewer & OpenerWinmail File Viewer & OpenerFree4.1★ (86)NoYesAug 2026
6Winmail.dat Opener: Pro ReaderWinmail.dat Opener: Pro Reader$0.99NoNoJun 2026
7Winmail Dat Opener +Winmail Dat Opener +Free3.8★ (16)YesYesMay 2026
8winmail.decoderwinmail.decoderFreeNoNoMay 2026

Top Picks for Winmail Reader

Winmail Viewer - Letter Opener#3

Winmail Viewer - Letter Opener by Letter Opener GmbH

Open Email, MSG & XPS files
Worth Considering
🔧 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.

More Winmail Reader 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 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
6
Winmail.dat Opener: Pro Reader
Winmail.dat Opener: Pro Reader
Winmail.dat Opener: Pro Reader
Dat, TNEF, MSG & XPS
$0.99
🔧 Utilities
(0)
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.decoder
winmail.decoder
winmail.decoder
by Pascal Jugnet
Free
🔧 Utilities
(0)
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.dat Opener & Viewer
Winmail.dat Opener & Viewer
Winmail.dat Opener & Viewer
Open Winmail.dat Files Easily
Free
🔧 Utilities
(0)
11
Dat Unpack - Winmail Viewer
Dat Unpack - Winmail Viewer
Dat Unpack - Winmail Viewer
Open, Extract Winmail Files
Free
📊 Productivity
(0)
12
Winmail.dat Viewer & Opener
Winmail.dat Viewer & Opener
Winmail.dat Viewer & Opener
Open Winmail.dat & MSG Files
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.Dat Opener · Win Dat
Winmail.Dat Opener · Win Dat
Winmail.Dat Opener · Win Dat
Open Win Mail Dat File, Windat
Free
📊 Productivity
(0)
14
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
15
Email Address Reader
Email Address Reader
Email Address Reader
For business cards, etc.
Free

Instantly capture email addresses from physical documents like business cards or memos without manual typing. Simply point your device's camera at the text to read and copy them quickly.

Real-time email address readingScan from paper, business cards, memosSimple camera-based operation
💼 Business
(1)
ad-supported
16
All Documents Viewer & Reader
All Documents Viewer & Reader
All Documents Viewer & Reader
by Constantin-Vlad Carasevici
Free
📊 Productivity
(0)
17
MailPeek MSG Viewer
MailPeek MSG Viewer
MailPeek MSG Viewer
MSG, EML, MBOX & winmail.dat
$3.99
📊 Productivity
(0)
18
Druware DMARC Report Reader
Druware DMARC Report Reader
Druware DMARC Report Reader
by Andrew R Satori
Free
🔧 Utilities
(0)
19
Document Reader: PDF, DOC, PPT
Document Reader: PDF, DOC, PPT
Document Reader: PDF, DOC, PPT
All-in-One Document Reader PDF
Free
📊 Productivity
(0)
20
Document Reader: PDF, DOC,XLSX
Document Reader: PDF, DOC,XLSX
Document Reader: PDF, DOC,XLSX
FileVista - AnyDoc Reader
Free

This app provides a unified platform to view, manage, and organize various document types, including PDFs, Word, Excel, and images. It offers fast opening, offline access, and robust file management features for seamless document handling on mobile devices.

Supports all major file formats (PDF, DOC, XLS, PPT, TXT, ePub, images)Fast and smooth document viewingIntegrated file manager and organizer
💼 Business
(1)
free with in-app purchases

FAQ about Winmail Reader

What are the best winmail reader apps for iPhone?
Winmail Reader Lite tops our winmail reader apps ranking as of July 2026, with a 4.2-star average from 82 App Store ratings, and it's free to download.
Yes — 16 of the top winmail reader apps we rank are free to download, including Winmail Reader Lite and Winmail Viewer - Letter Opener.
Winmail Reader Lite has no ads and offers in-app purchases, according to its App Store listing as of July 2026.
We track 247+ winmail reader apps on the iOS App Store as of July 2026, ranked by rating, recency, and analysis of real user reviews.
A winmail.dat file is a proprietary attachment format used by Microsoft Outlook for Windows, known as TNEF (Transport Neutral Encapsulation Format). Many other email clients cannot natively open these files, often displaying them as an unreadable attachment.
This app decodes winmail.dat files, allowing you to view the original email message, list all contained attachments, and extract them. You can then open, read, save, share, or email these extracted attachments.

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