winmail.dat on iPhone

Recover a winmail.dat attachment on iPhone.

Save the attachment to Files, choose it here, and let the browser decode the TNEF container without an email upload.

Workspace status

Ready · Local browser memory

Drop a file to recover attachments

Open it once. Reader, safety, headers, route, redaction, and export reuse the same in-memory source.

.EML
.MSG
.EMLX
winmail.dat
Processed locally. Files and filenames stay on this device.
Workflow

From source file to finished result

Runs locally
  1. Step 1

    Save the attachment to Files

  2. Step 2

    Choose winmail.dat from this page

  3. Step 3

    Download or share the recovered file

What this workspace preserves

No Outlook account required

Designed for touch controls

Large containers may work better on desktop

Questions about this workflow

Where should I save winmail.dat first?

Use the iOS share sheet to save it into the Files app, then choose it from the drop area.

Why might a large file fail on iPhone?

Mobile browsers enforce tighter memory limits than desktop browsers.