Recognizes the TNEF signature
Winmail.dat opener
Open the winmail.dat someone accidentally sent you.
Microsoft Outlook sometimes wraps message formatting and attachments in TNEF. Drop the file here to recover what is inside.
Free · private · no uploads · no accountDrop a file to recover attachments
Drop it here or choose it from your computer.
MSGEMLEMLXWINMAIL.DATMBOX
Processed locally. Your file never leaves this browser.
How it works
Three steps. No detour through a server.
- 1Drop winmail.dat
- 2The TNEF container is decoded locally
- 3Download the recovered attachments
Recovers embedded attachment names and bytes
No Outlook installation required
Straight answers
Common questions
Why did I receive winmail.dat?
It is commonly produced when Outlook sends rich-text formatting to a recipient whose email client does not understand TNEF.
Is winmail.dat itself a virus?
It is a container format. Treat recovered files with the same caution as any email attachment.