BLX file format description

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

1 filename extension(s) found in our database.

.blx - Magellan Mapsend Map Data

The BLX data files are related to Magellan MapSend. The BLX file is a Magellan Mapsend Map Data. MapSend is a GPS software application from Magellan.

Magellan MapSend
Data files
- / -
Magellan Mapsend Map Data related extensions:
Topocad Length Table Data
SyncBack Exported Profile
Windows Search Crawl Data
Adobe Audition v2 Session
BlenderGIS PNG World Data
Corel PercetFit Component

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

Can't open a .blx 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 .blx file extension is often given incorrectly!

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

bix, bkx, bl, bla, blc, bld, bls, blz, bmx, box, bpx, bx, bxl, flx, glx

Is it possible that the filename extension is misspelled?

Similar file extensions in our database:

MegaPaint Image
Civilization 3 Scenario
Binary Linework TIFF Image
SPLat Build File
Blaise Datamodel
The Bat! Folder Settings

Operating systems currently supports the following operating systems:

Windows XP/Vista, Windows 7/8/10, Windows 11, CentOS, Debian GNU/Linux, Ubuntu Linux, FreeBSD, macOS, 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 .blx file format, then write to us! >> BLX file