Filename Extensions
If you are seeking information about file extensions, then you are in the right place at right time.

Details of extension .seg

1 extension(s) and 0 alias(es) in our database

Below, you can find answers to the following questions:

  • What is the .seg file?
  • Which program can create the .seg file?
  • Where can you find a description of the .seg format?
  • What can convert .seg files to a different format?
  • Which MIME-type is associated with the .seg extension?
Mail.dat Segment File .seg file icon

Mail.dat Segment File

SEG file is a Mail.dat Segment File. Mail.dat is the standard embraced by a significant portion of the mail production industry and the US Postal Service. Mail.dat is a relational database of nineteen "connected" files describing each characteristic that can exist within a mailing.
Detailed description not available
Category: Data files
Application: PostalOne!
Program name: -
Mime-type: application/octet-stream
Magic bytes (HEX): -
Magic string (ASCII): -
Related extensions:
Mail.dat Container Quantity Data
Mail.dat Mail Piece Unit File
Mail.dat Postage Account File
Mail.dat Component File
Mail.dat Container Summary File
Mail.dat International Container Label File
Mail.dat Package Quantity File
Mail.dat Walk Sequence File
Mail.dat Package Label File

Other types of files may also use the .seg file extension. If you have helpful information about .seg extension, write to us!

Is it possible that the filename extension is misspelled?

We found the following similar extensions in our database:

Continuous Edge Graphic Bitmap
Neuroscan EEG Data
ElmerGrid Command File
Enigmo Saved Game
MakerBot S3G Document Configuration File
ScopeEdit Project
Safe Exam Browser Configuration
Encryptafile Signature

The .seg filename extension is often given incorrectly!

According to the searches on our site, these misspellings were the most common in the past year:

weg (1), eg (1), ssg (1), ceg (1), sge (1), sfg (1), set (1), sen (1), seb (1), sdg (1), zeg (1), esg (1), swg (1), eeg (1), srg (1)

Can't open a .seg file?

If you want to open a .seg file on your computer, you just need to have the appropriate program installed. If the .seg association isn't set correctly, you may receive the following error message:

Windows can't open this file:

File: example.seg

To open this file, Windows needs to know what program you want to use to open it. Windows can go online to look it up automatically, or you can manually select from a list of programs that are installed on your computer.

To change file associations:

  • Right-click a file with the extension whose association you want to change, and then click Open With.
  • In the Open With dialog box, click the program whith which you want the file to open, or click Browse to locate the program that you want.
  • Select the Always use the selected program to open this kind of file check box.

Supported operating systems

Windows Server 2003/2008/2012/2016, Windows 7, Windows 8, Windows 10, Linux, FreeBSD, NetBSD, OpenBSD, Mac OS X, iOS, Android