.LETTER File Extension

Verified information
Information about the file LETTER
  • Undeliverable Mail Format
  • Misc Files
  • N/A

What is the LETTER file?

The LETTER file extension can be associated with several types of files. Most often, however, a file with such an extension is associated with the Undeliverable Mail Format format. LETTER files are supported by Linux, Mac OS, Windows operating systems. The LETTER file is one of the Misc Files files, just like 6033 of the other files found in our file information database.

A program that can open the LETTER file is e.g. Sendmail.

Programs, that can open .LETTER files

Windows
Mac OS
Linux

How to open a .LETTER file?

If you have problems opening the file LETTER, then in most cases the problem is only the lack of the proper application installed. Select one of the programs from the list and install it on your device. The operating system should automatically associate the LETTER file format with the installed program. If not, right click on your LETTER file and select from the menu "Open with" . Then select the installed program and confirm the operation. Now all LETTER files should automatically open with the selected program.

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