Free
In-App Purchases

Details

  • Released
  • Updated
  • June 9, 2014
  • January 23, 2026
Winmail Reader Lite screenshot #1 for iPhone
Winmail Reader Lite screenshot #2 for iPhone
Winmail Reader Lite screenshot #3 for iPhone
Winmail Reader Lite screenshot #4 for iPhone
iphone
ipad
🖼️Get Icon
Icons↘︎

About

This app decodes "winmail.dat" attachment files, allowing you to open, read, save, or email any contained files. It also extracts the original email message and can create calendar events or contacts from the data.

Decodes winmail.dat files
Lists all attachments
Inbuilt quick-look preview
Save or share attachments
Resend decoded emails
Create calendar events
Add contacts to iOS Contacts
Show original description

What's New in Winmail Reader Lite

5.0

January 23, 2026

- Bug fixes and UI improvements to streamline with latest iOS. We are thankful to all users for their valuable feedback :)

More
1

In-App Purchases

$1.99

Upgrade to Winmail Reader Full Version

Upgrade to Winmail Reader Full Version to get complete access to extracted attachments to allows any attachments contained in them to be opened, read, saved or e-mailed.

More

User reviews

Don’t bother

It doesn’t work for the intended purpose. It is probably spyware. I removed it after the first use. You can buy the full version for 1.99 a month. I wouldn’t after my experience with the lite version. Most other software worked for me to open the winmail.dat file

Deceit, not free!

deceit, charge to use after downloading

Not worth it

Spent the $1.99 but the app crashes when I try to save my photos to my photo album. Worthless.

Deceiving App. “Lite” version does nothing.

Downloaded the app to use the “lite” version thinking it would work. It does not work at all. It takes you directly to the screen which asks you to purchase the “full” version. It is a very deceiving app. The only thing it does do is tell you what type of file that was sent to you. Don’t waste your time.
Show more

Scam

I like to try versions before buying. The free version does nothing. This app should be removed from the store. Totally dishonest.

Developer apps

FAQ

What is a winmail.dat file?

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.

What can this app do with winmail.dat files?

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.

Is this app free to use?

The Lite version of this app is free and allows you to decode winmail.dat files and view basic information like sender, subject, message, and a list of attachments. To unlock the ability to open, read, share, save, and email all extracted attachments without restrictions, you can upgrade to the full version.

What iOS devices is this app compatible with?

This app is designed for iPhones, iPads, and iPod touch devices running compatible versions of iOS. It leverages iOS features like AirDrop for sharing and integration with the Files app.

Can I create calendar events or contacts from the winmail.dat file?

Yes, this app can create and add Microsoft Outlook Appointment and Meeting information embedded within the winmail.dat file directly to your iOS Calendar. It can also read embedded notes and create contact address cards to add to your iOS Contacts.