---
title: "Winmail Viewer – DAT Opener - Reviews, Revenue and Downloads in United States | Apple App Store"
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 – DAT Opener — United States
> Open Winmail.dat & MSG Files

![Winmail Viewer App Icon](https://is1-ssl.mzstatic.com/image/thumb/Purple221/v4/b9/cc/e3/b9cce336-0afc-41c8-1334-155e4cbaa12f/AppIcon-0-0-1x_U007epad-0-1-85-220.png/434x0w.png)

**Developer:** [Beijing Danbao Intelligent Technology Co](https://apptail.io/developer/beijing-danbao-intelligent-technology-co-ElCyR)
**Category:** Utilities
**Rating:** 4.7/5 (19 ratings)
**Price:** Free
**Bundle ID:** com.yenpi.winmail
**Store:** Apple App Store
**Country:** United States
**Version:** 5.6.0 (released 2026-09-03)
**Original Release:** 2025-09-24
**Languages:** English, Arabic, Czech, Danish, Dutch, Finnish, French, German, Hebrew (modern), Hindi, Indonesian, Italian, Japanese, Korean, Norwegian Bokmål, Persian, Polish, Portuguese, Russian, Chinese, Spanish, Swedish, Turkish, Ukrainian, Vietnamese

**App Store Link:** [Download on Apple App Store](https://apps.apple.com/us/app/app/id6752894720)
**AppTail Page:** [https://apptail.io/app/winmail-viewer-dat-opener-zcgx/united-states](https://apptail.io/app/winmail-viewer-dat-opener-zcgx/united-states)

## Winmail Viewer 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: 

## Winmail Viewer Screenshots
- [Screenshot 1](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource221/v4/c3/13/c0/c313c0d1-dc55-d632-169a-fcde0da4bbe5/canvas-1__U00286_U0029.png/1242x2688.png)
- [Screenshot 2](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource221/v4/dc/37/72/dc377263-7af1-7aaa-594c-357ce33bf2e6/canvas-3.png/1242x2688.png)
- [Screenshot 3](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource221/v4/6b/12/4b/6b124ba7-90bc-ed3a-9a05-9b83f71b1d0b/canvas-2.png/1242x2688.png)
- [Screenshot 4](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource211/v4/58/47/71/5847710e-40a3-c381-aa6d-97109a523e5e/canvas-8.png/1242x2688.png)
- [Screenshot 5](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource221/v4/bd/b2/bb/bdb2bb2c-a5ba-cadc-d684-246261381c35/canvas-3.png/1242x2688.png)
- [Screenshot 6](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource211/v4/03/b1/fa/03b1fad6-2e01-2d82-d177-82117572e27c/canvas-4.png/1242x2688.png)
- [Screenshot 7](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource211/v4/cf/09/1a/cf091aae-16a3-afa4-ab90-bd4f9b2be8f9/canvas-5.png/1242x2688.png)
- [Screenshot 8](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource211/v4/22/ea/66/22ea66f8-b1aa-ddf4-37ce-a9db3e8544ed/privacy-winmail__U00281_U0029.png/1242x2688.png)

## Winmail Viewer Rating Breakdown in United States
- 5 stars: 17 (89%)
- 4 stars: 1 (5%)
- 3 stars: 0 (0%)
- 2 stars: 0 (0%)
- 1 stars: 1 (5%)

## Winmail Viewer Reviews in United States

### ***** "Use this App！！！"
This one REALLY free and works well. NO ADS.
-- beijingfox, 2025-10-16

### ***** "Perfect Winmail.dat opener"
This app make openning winmail.dat effortless. It’s fast, reliable and displays attachments perfectly. Clean , NO ADS. Highly recommended!!!
-- Kevin just go, 2025-10-15

### ***** "Excellent winmail viewer"
Works perfectly for opening Winmail dat file. I have try few others, but this one is by far the most reliable and It’s totally free with no ads.
-- Dali haha, 2025-10-13

[View all Winmail Viewer reviews and detailed analytics on AppTail](https://app.apptail.io/signup?utm_campaign=ai-crawl&utm_content=reviews)



## Winmail Viewer Discovered Keywords
- winmail viewer
- dat opener


## Winmail Viewer Available In
- [United States](https://apptail.io/app/winmail-viewer-dat-opener-zcgx/united-states)
- [Germany](https://apptail.io/app/winmail-viewer-dat-opener-zcgx/germany)
- [Canada](https://apptail.io/app/winmail-viewer-dat-opener-zcgx/canada)
- [Switzerland](https://apptail.io/app/winmail-viewer-dat-opener-zcgx/switzerland)
- [Australia](https://apptail.io/app/winmail-viewer-dat-opener-zcgx/australia)
- [Spain](https://apptail.io/app/winmail-viewer-dat-opener-zcgx/spain)
- [Taiwan](https://apptail.io/app/winmail-viewer-dat-opener-zcgx/taiwan)
- [South Africa](https://apptail.io/app/winmail-viewer-dat-opener-zcgx/south-africa)
- [Dominican Republic](https://apptail.io/app/winmail-viewer-dat-opener-zcgx/dominican-republic)
- [Algeria](https://apptail.io/app/winmail-viewer-dat-opener-zcgx/algeria)
- [Estonia](https://apptail.io/app/winmail-viewer-dat-opener-zcgx/estonia)
- [Ghana](https://apptail.io/app/winmail-viewer-dat-opener-zcgx/ghana)
- [Croatia](https://apptail.io/app/winmail-viewer-dat-opener-zcgx/croatia)
- [Hungary](https://apptail.io/app/winmail-viewer-dat-opener-zcgx/hungary)
- [Indonesia](https://apptail.io/app/winmail-viewer-dat-opener-zcgx/indonesia)
- [Israel](https://apptail.io/app/winmail-viewer-dat-opener-zcgx/israel)
- [India](https://apptail.io/app/winmail-viewer-dat-opener-zcgx/india)
- [Iceland](https://apptail.io/app/winmail-viewer-dat-opener-zcgx/iceland)
- [Japan](https://apptail.io/app/winmail-viewer-dat-opener-zcgx/japan)
- [South Korea](https://apptail.io/app/winmail-viewer-dat-opener-zcgx/south-korea)
- [Kazakhstan](https://apptail.io/app/winmail-viewer-dat-opener-zcgx/kazakhstan)
- [Lithuania](https://apptail.io/app/winmail-viewer-dat-opener-zcgx/lithuania)
- [Luxembourg](https://apptail.io/app/winmail-viewer-dat-opener-zcgx/luxembourg)
- [North Macedonia](https://apptail.io/app/winmail-viewer-dat-opener-zcgx/north-macedonia)
- [Malta](https://apptail.io/app/winmail-viewer-dat-opener-zcgx/malta)
- [Mauritius](https://apptail.io/app/winmail-viewer-dat-opener-zcgx/mauritius)
- [Norway](https://apptail.io/app/winmail-viewer-dat-opener-zcgx/norway)
- [New Zealand](https://apptail.io/app/winmail-viewer-dat-opener-zcgx/new-zealand)
- [Oman](https://apptail.io/app/winmail-viewer-dat-opener-zcgx/oman)
- [Pakistan](https://apptail.io/app/winmail-viewer-dat-opener-zcgx/pakistan)
- [Poland](https://apptail.io/app/winmail-viewer-dat-opener-zcgx/poland)
- [Russia](https://apptail.io/app/winmail-viewer-dat-opener-zcgx/russia)
- [Sweden](https://apptail.io/app/winmail-viewer-dat-opener-zcgx/sweden)
- [Slovakia](https://apptail.io/app/winmail-viewer-dat-opener-zcgx/slovakia)
- [United Arab Emirates](https://apptail.io/app/winmail-viewer-dat-opener-zcgx/united-arab-emirates)
- [Ukraine](https://apptail.io/app/winmail-viewer-dat-opener-zcgx/ukraine)
- [Vietnam](https://apptail.io/app/winmail-viewer-dat-opener-zcgx/vietnam)
- [Thailand](https://apptail.io/app/winmail-viewer-dat-opener-zcgx/thailand)
- [Armenia](https://apptail.io/app/winmail-viewer-dat-opener-zcgx/armenia)
- [Argentina](https://apptail.io/app/winmail-viewer-dat-opener-zcgx/argentina)
- [Austria](https://apptail.io/app/winmail-viewer-dat-opener-zcgx/austria)
- [Azerbaijan](https://apptail.io/app/winmail-viewer-dat-opener-zcgx/azerbaijan)
- [Belarus](https://apptail.io/app/winmail-viewer-dat-opener-zcgx/belarus)
- [Cyprus](https://apptail.io/app/winmail-viewer-dat-opener-zcgx/cyprus)
- [Czechia](https://apptail.io/app/winmail-viewer-dat-opener-zcgx/czechia)

---

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