# Winmail Viewer – DAT Opener

> Open Winmail.dat & MSG Files

Canonical page: [https://chrome-stats.com/d/id6752894720](https://chrome-stats.com/d/id6752894720)

## Overview

- **ID:** `id6752894720`
- **Platform:** Apple
- **Type:** Apple app
- **Status:** Available
- **Publisher:** 延平 陈
- **Category:** Utilities
- **Rating:** 4.70 / 5 (17 ratings)
- **Version:** 5.6.0
- **Last updated:** 2026-09-03
- **First published:** 2025-09-24
- **Size:** 25 MB
- **Data as of:** 2026-09-06
- **Store listing:** [Apple App Store](https://apps.apple.com/us/app/winmail-viewer-dat-opener/id6752894720)
- **Website:** [https://yenpi.com](https://yenpi.com/)
- **Privacy policy:** [https://yenpi.com/winmail-privacy.html](https://yenpi.com/winmail-privacy.html)

## 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/

## Rankings

- #262,818 — Overall

## Similar extensions and apps

- [Winmail File Viewer & Opener](https://chrome-stats.com/d/id379500151) — 4.10 / 5
- [Winmail Viewer - TNEF Opener](https://chrome-stats.com/d/id6789357496)
- [WinDat Opener](https://chrome-stats.com/d/id404795709) — 2.30 / 5
- [Winmail Reader](https://chrome-stats.com/d/id835792417) — 4.50 / 5
- [Winmail.dat Opener · Viewer](https://chrome-stats.com/d/id6758431753) — 5.00 / 5
- [Winmail.Dat Opener · Win Dat](https://chrome-stats.com/d/id6777723246)
- [winmail.decoder](https://chrome-stats.com/d/id6758772075)
- [Winmail.dat Opener: Pro Reader](https://chrome-stats.com/d/id6758252704)
- [Winmail Reader Lite](https://chrome-stats.com/d/id880620365) — 4.20 / 5
- [Winmail.dat Opener & Viewer](https://chrome-stats.com/d/id6758459209)
- [Dat Unpack - Winmail Viewer](https://chrome-stats.com/d/id6743018127)
- [Winmail Viewer - Letter Opener](https://chrome-stats.com/d/id411897373) — 4.80 / 5

---

Source: [Chrome-Stats](https://chrome-stats.com/d/id6752894720)