DATE TOOL

EML Date Updater

Update the Date, Received, and Delivery-date headers that Outlook uses to display email timing. Load one or more .eml files, regenerate the date values, and download the updated files right away.

Browser-side processingOutlook-compatible date fields

Updated fields

Date, Received, and Delivery-date.

Current mode

Batch processing with one synchronized timestamp

Output

Updated .eml files ready to download

WORKFLOW

Refresh email timing headers without touching the message body

If one of the required headers is missing, the tool adds it. If it already exists, the value is refreshed while the rest of the message stays intact.

Updates the three main Outlook date fields

INPUT

Upload area

You can drop multiple .eml files at once. All of them will receive the same current timestamp for consistency.

Drop .EML files here

Drop one or more .eml files here or choose them manually. The tool updates Date, Received, and Delivery-date immediately.

Last generated timestamp

Mon, 20 Apr 2026 11:27:12 +0000

Files are processed in the browser. After downloading, you can verify the result in Outlook or by opening the file in a text editor.

OUTPUT

Updated files

Each processed file includes a header preview and an individual download action.

00Files queued

0Target headers

WaitingProcessing

LocalPrivacy

No files loaded yet

Load your .eml files to generate updated versions with a new synchronized timestamp.