>> SEG file

SEG file format description

Many people share .seg files without attaching instructions on how to use it. Yet it isn’t evident for everyone which program a .seg file can be edited, converted or printed with. On this page, we try to provide assistance for handling .seg files.

2 filename extension(s) found in our database.

.seg - Mail.dat Segment File

The SEG data files are related to PostalOne!. 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.

Data files
- / -
Mail.dat Segment File related extensions:
Help and Manual Skin Data
Editing Encog Analyst File
Adventure SOS Compiled Walkthrough
Adventure SOS Walkthrough Source
Heliosoft Seismaster Input Well Path
Heliosoft Seismaster Colormap File

.seg - WaterGEMS Segmentation Analysis Results Data

The SEG data files are related to WaterGEMS. SEG file is a WaterGEMS Segmentation Analysis Results Data. WaterGEMS is a hydraulic modeling application for water distribution systems with advanced interoperability, geospatial model building, optimization, and asset management tools.

Data files
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WaterGEMS Segmentation Analysis Results Data related extensions:
WaterGEMS Criticality Analysis Results Data
WaterGEMS Drawing
WaterGEMS Transient Analysis Results Data
WaterGEMS Transient Results Viewer Data
WaterGEMS Transient Analysis Output Log
WaterGEMS LoadBuilder Configuration Data

Naturally, other applications may also use the .seg file extension. Even harmful programs can create .seg files. Be especially cautious with .seg files coming from an unknown source!

Can't open a .seg file?

When you double-click a file to open it, Windows examines the filename extension. If Windows recognizes the filename extension, it opens the file in the program that is associated with that filename extension. When Windows does not recognize a filename extension, you receive the following message:

Windows can't open this file:


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 one from a list of programs that are installed on your computer.

To avoid this error, you need to set the file association correctly.

The .seg file extension is often given incorrectly!

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

ceg, eeg, eg, esg, s3g, sdg, se, seb, sef, sen, ser, set, sev, sfg, sg

Is it possible that the filename extension is misspelled?

Similar file extensions in our database:

Alpha Five Set Data Dictionary
Micrografx ABC SnapGraphics Document
Neuroscan EEG Data
General Settings File
ScopeEdit Project
Investor's Toolkit Data

Operating systems currently supports the following operating systems:

Windows XP/Vista, Windows 7/8, Windows 10, CentOS, Debian GNU/Linux, Ubuntu Linux, FreeBSD, Mac OS X, iOS, Android

If you find the information on this page useful, please feel free to link to this page.

If you have useful information about the .seg file format, then write to us!