# Winmail Viewer – DAT Opener — user reviews

> 14 indexed App Store user reviews of Winmail Viewer by 延平 陈, rated 4.70/5 from 17 ratings.

- Source: https://appshunter.io/ios/app/winmail-viewer-dat-opener/id6752894720/reviews
- App overview in markdown: https://appshunter.io/ios/app/winmail-viewer-dat-opener/id6752894720.md
- Rating breakdown: 5★ 15 · 4★ 1 · 3★ 0 · 2★ 0 · 1★ 1

## Newest reviews (4 of 14)

### 5/5 — Use this App！！！

*2025-10-16*

This one REALLY free and works well. NO ADS.

### 5/5 — Perfect Winmail.dat opener

*2025-10-15*

This app make openning winmail.dat effortless. It’s fast, reliable and displays attachments perfectly. Clean , NO ADS. Highly recommended!!!

### 5/5 — Excellent winmail viewer

*2025-10-13*

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.

### 5/5 — Finally，no more mystry attachments

*2025-09-27*

This app wotks exactly as promised.
i often get those confusing winmail.dat files from outlook users.This app has no ads anf it‘s free.

## Most critical reviews (10 lowest-rated)

### 5/5 — Solved My Email Issues Instantly!

*2026-06-11*

This app works flawlessly. I kept receiving "winmail.dat" attachments from clients that I couldn't open on my device, but this app reads them perfectly every single time. It extracts files and opens text instantly without any formatting issues. The interface is clean, straightforward, and saved me so much frustration. It is a must-have tool for work!

### 5/5 — Highly recommend!

*2026-06-03*

Best Winmail Viewer

### 5/5 — Works well for Winmail.dat file!

*2026-05-31*

It works as I expected. Extract attachment instant.

### 5/5 — Simple, Fast!

*2026-04-08*

I was constantly frustrated by receiving 'winmail.dat' attachments ,This app solved the problem instantly! It is incredibly lightweight and user-friendly—just drag and drop the file, and you can see all the contents and attachments immediately.

### 5/5 — Kills the "winmail.dat" Headache

*2026-02-15*

Instantly decodes those annoying winmail.dat attachments from Outlook users. Opens right from Mail app, revealing formatted messages and attachments perfectly. Simple, fast, and absolutely essential.

### 5/5 — best  winmail viewer！

*2026-02-11*

the best app i have ever used

### 5/5 — Best winmail viewer！

*2026-01-13*

even support msg and xps file viewer. nice

### 5/5 — Finally, One App That Opens All of Them

*2025-11-12*

I was looking for a single app that could handle all the weird files I get from my Windows-using colleagues—DAT, MSG, and even XPS. This viewer is the perfect all-in-one solution. It's clean, fast, and does exactly what it promises. I can now view, extract, and save attachments without having to ask the sender to resend the email in a different format. It has saved me so much time and embarrassment. Highly recommended!

### 5/5 — Winmail File Viewer – Essential Email Savior!

*2025-11-06*

This app is a lifesaver for decoding tricky Winmail.dat, TNEF, MSG, and XPS files that plague Outlook exchanges. Opens everything instantly—attachments, rich text, images—with zero hassle. Offline support, ad-free, and super intuitive. No more frustration over unreadable emails; it’s a must for pros dealing with cross-platform chaos. Download it yesterday!

### 5/5 — Save me so much time

*2025-10-28*

Work flawlessly-highly recommend!

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-08-21.*