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Preview 3 platforms
iPhone 8 images
iPad 6 images
Mac 6 images
What’s New Version 5.3.1
- Performance improvements and stability enhancements.
Description
Open and view Winmail.dat (Microsoft TNEF), MSG, OFT, XPS/OXPS, and EML files instantly on iPhone and iPad.
Access Outlook-generated attachments, decode hidden content, and extract files in seconds.
Winmail Viewer is designed to open Microsoft Outlook and Exchange email formats that many apps can’t read. Whether you receive a Winmail.dat (TNEF) attachment or an Outlook MSG/OFT message file, the app decodes and displays the full content — including formatted messages and embedded attachments — so nothing is lost.
Open files directly from Mail, Files, AirDrop, or any supported app, and instantly access the message body, documents, and images inside.
SUPPORTED FILE TYPES
• Winmail.dat (Microsoft TNEF) — Decode Transport Neutral Encapsulation Format files generated by Outlook and Exchange
• MSG — Open standalone Microsoft Outlook message files with full formatting and attachments
• OFT — View Outlook email template files
• EML — Read standard email message files from most email clients
• XPS / OXPS — Open Microsoft XML Paper Specification documents with a smooth, PDF-like reading experience
WHAT YOU CAN EXTRACT
• Attachments including PDF, Word (DOC/DOCX), Excel (XLS/XLSX), PowerPoint (PPT/PPTX)
• Images (JPG, PNG, GIF, TIFF, and more)
• Rich Text (RTF) and HTML-formatted messages
• Embedded files and hidden Outlook content
KEY FEATURES
• Instantly open Winmail.dat (TNEF), MSG, OFT, XPS/OXPS, and EML files
• View fully formatted messages with original layout preserved
• Extract and share attachments in seconds
• Reply to or forward messages directly from the app
• Search by subject, sender, or keyword
• Save and organize files with fast SwiftData storage
• Dark Mode for comfortable reading
• Full integration with the iOS Files app
No more “winmail.dat” confusion.
Open, decode, extract, and share Outlook attachments effortlessly.
Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
In-App Purchases US pricing
Winmail Viewer Pro Subscription
Yearly Premium · Yearly$3.99
Monthly · Monthly$1.99
Weekly Premium · 7 days$1.99
One-Time Purchases
Lifetime Premium Access$5.99
Capabilities
In-App Purchases
Accessibility
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Version history 24 versions
Build 884318486v5.3.12026-04-16 15:23:38
- Performance improvements and stability enhancements.
Build 884049425v5.3.02026-04-02 23:48:06
- Performance improvements and stability enhancements.
Build 883600156v5.22026-03-22 00:29:42
- Performance improvements and stability enhancements.
Build 883243993v5.12026-03-14 18:07:48
- Performance improvements and stability enhancements.
Build 882402803v4.52026-02-14 02:31:02
- Performance improvements and stability enhancements.
Build 882460457v5.02026-02-14 09:54:08
- Performance improvements and stability enhancements.
- Added support for opening .eml and .emlx email message files
Build 881691930v4.42026-01-30 13:44:48
Performance improvements and stability enhancements.
Build 881626294v4.32026-01-20 13:14:21
Added support for the Outlook template (.oft) viewer.
Build 881300146v4.22026-01-19 07:56:24
Added support for the Outlook template (.oft) viewer.
Build 881059237v4.12026-01-02 16:43:55
General performance enhancements and bug fixes.
Build 880842387v4.02025-12-28 00:41:07
General performance enhancements and bug fixes.
Build 880826870v3.52025-12-19 09:37:15
General performance enhancements and bug fixes.
Build 880498551v3.42025-12-18 22:31:03
General performance enhancements and bug fixes.
Build 880203831v3.32025-12-05 00:14:34
General performance enhancements and bug fixes.
Build 879989594v3.22025-11-24 11:47:16
General performance enhancements and bug fixes.
Build 879818584v3.12025-11-19 13:15:38
- Print any Winmail, MSG, or XPS message directly from the detail view on
iPhone and Mac, complete with localized error handling and iPad-friendly
presentation.
Build 879693194v3.02025-11-13 08:09:17
- Print any Winmail, MSG, or XPS message directly from the detail view on
iPhone and Mac, complete with localized error handling and iPad-friendly
presentation.
- Refined the detail experience on iPad with a richer first-run hero,
actionable tips, and a guided selection placeholder so you always know how
to import or pick a file.
- Localized every new string (including the toolbar Reply/Reply All/Forward
actions) across all supported languages to keep the UI consistent worldwide.
Build 879473317v2.32025-11-05 01:37:04
1. Added Support for MSG and XPS File Viewing
You can now open and view MSG (Outlook emails) and XPS documents directly in the app.
2. Improved User Interface for Easier Navigation
The UI has been refined to make your experience smoother and more intuitive.
3. View XPS Files as PDF
XPS documents can now be seamlessly viewed in PDF format for better compatibility and readability.
Build 879386349v2.22025-10-31 23:16:59
1. Added Support for MSG and XPS File Viewing
You can now open and view MSG (Outlook emails) and XPS documents directly in the app.
2. Improved User Interface for Easier Navigation
The UI has been refined to make your experience smoother and more intuitive.
3. View XPS Files as PDF
XPS documents can now be seamlessly viewed in PDF format for better compatibility and readability.
Build 879281914v2.12025-10-29 04:57:07
1. Added Support for MSG and XPS File Viewing
You can now open and view MSG (Outlook emails) and XPS documents directly in the app.
2. Improved User Interface for Easier Navigation
The UI has been refined to make your experience smoother and more intuitive.
3. View XPS Files as PDF
XPS documents can now be seamlessly viewed in PDF format for better compatibility and readability.
Build 879008370v2.02025-10-27 17:43:12
1. Added Support for MSG and XPS File Viewing
You can now open and view MSG (Outlook emails) and XPS documents directly in the app.
2. Improved User Interface for Easier Navigation
The UI has been refined to make your experience smoother and more intuitive.
3. View XPS Files as PDF
XPS documents can now be seamlessly viewed in PDF format for better compatibility and readability.
Build 878887350v1.22025-10-15 10:30:47
Performance improvements and issue fixes.
Build 878437777v1.12025-09-28 16:00:00
• Compatibility: Fully supports the latest devices and features in iOS 26.
Build 878360155v1.02025-09-24 21:55:56
Price history by region
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Availability 1 of 1 storefronts
| Region | Language | Price | Ratings | Avg | Version |
|---|---|---|---|---|---|
US | en-US | Free | 17 | 4.7 | 5.3.1 |
Change log 28 changes · US
✎
releaseNotes updated
- Performance improvements and stability enhancements.
✎
description updated
Open and view Winmail.dat (Microsoft TNEF), MSG, OFT, XPS/OXPS, and EML files instantly on iPhone and iPad.
Access Outlook-generated attachments, decode hidden
✎
subtitle updated
Open Winmail.dat & MSG Files
✎
name updated
Winmail Viewer – DAT Opener
◆
Version 5.3.1 released
- Performance improvements and stability enhancements.
◆
Version 5.3.0 released
- Performance improvements and stability enhancements.
◆
Version 5.2 released
- Performance improvements and stability enhancements.
◆
Version 5.1 released
- Performance improvements and stability enhancements.
◆
Version 5.0 released
- Performance improvements and stability enhancements.
- Added support for opening .eml and .emlx email message files
◆
Version 4.5 released
- Performance improvements and stability enhancements.
◆
Version 4.4 released
Performance improvements and stability enhancements.
◆
Version 4.3 released
Added support for the Outlook template (.oft) viewer.
◆
Version 4.2 released
Added support for the Outlook template (.oft) viewer.
◆
Version 4.1 released
General performance enhancements and bug fixes.
◆
Version 4.0 released
General performance enhancements and bug fixes.
◆
Version 3.5 released
General performance enhancements and bug fixes.
◆
Version 3.4 released
General performance enhancements and bug fixes.
◆
Version 3.3 released
General performance enhancements and bug fixes.
◆
Version 3.2 released
General performance enhancements and bug fixes.
◆
Version 3.1 released
- Print any Winmail, MSG, or XPS message directly from the detail view on
iPhone and Mac, complete with localized error handling and iPad-friendly
presentation.
◆
Version 3.0 released
- Print any Winmail, MSG, or XPS message directly from the detail view on
iPhone and Mac, complete with localized error handling and iPad-friendly
presentation.
- Refined the detail experience on iPad with a richer first-run hero
◆
Version 2.3 released
1. Added Support for MSG and XPS File Viewing
You can now open and view MSG (Outlook emails) and XPS documents directly in the app.
2. Improved User Interface for Easier Navigation
The UI has been refined to make your experience smo
◆
Version 2.2 released
1. Added Support for MSG and XPS File Viewing
You can now open and view MSG (Outlook emails) and XPS documents directly in the app.
2. Improved User Interface for Easier Navigation
The UI has been refined to make your experience smo
◆
Version 2.1 released
1. Added Support for MSG and XPS File Viewing
You can now open and view MSG (Outlook emails) and XPS documents directly in the app.
2. Improved User Interface for Easier Navigation
The UI has been refined to make your experience smo
◆
Version 2.0 released
1. Added Support for MSG and XPS File Viewing
You can now open and view MSG (Outlook emails) and XPS documents directly in the app.
2. Improved User Interface for Easier Navigation
The UI has been refined to make your experience smo
◆
Version 1.2 released
Performance improvements and issue fixes.
◆
Version 1.1 released
• Compatibility: Fully supports the latest devices and features in iOS 26.
◆
Version 1.0 released