A las file extension is related to the LAS Log ASCII standard file format used in oil and gas industry.

There are 2 other file types using
the LAS file extension!

empty icon.las - Light-O-Rama animated sequence file

empty icon.las - LIDAR data exchange

Detailed description

Software that works with las file extension

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LAS file extension - LAS Log ASCII standard file format

What is las file? How to open las files?

File type specification:

Text file type icon Text file type

The las file extension is associated with LAS File format. The Canadian Well Logging Society's Floppy Disk Committee has designed this as a standard format for log data on floppy disks.

These las files are written in ASCII with minimal header information and are intended for optical curves only.

The default software associated to las file type:

Well Viewer picture or screenshot

Well Viewer  Microsoft Windows software

Company or developer:

An easy-to-use tool for viewing data against depth. Using Well Viewer, you can open any supported well format and view against against other wells, observed data or data extracted from meshes and volumes.

NotePad++ text editor icon

Notepad++ Team logoNotePad++ text editor  Microsoft Windows software

Company or developer:
Notepad++ Team

A very popular free text and source code editor. It supports syntax highlighting and syntax folding for C, C++, HTML, ASP, Java, Pascal, PHP, Cobol, CSS etc. Notepad++ also supports plugins to add new features. It is localized to many languages.

Help how to open LAS files:

Use any text editor to view content of the LAS Log ASCII standard files.

How to convert file with extension LAS:

Compatible tools may be able to export *.las files to other formats.

File identification strings:

HEX code: 7E 56
ASCII code: ~V

List of software applications associated to the .las file extension

Recommended software programs are sorted by OS platform (Windows, macOS, Linux etc.) and possible program actions
that can be done with the file
: like open las file, edit las file, convert las file, view las file, play las file etc. (if exist software for corresponding action in File-Extensions.org's database).

Click on the tab below to simply browse between the application actions, to quickly get a list of recommended software, which is ableto perform the specified software action, such as opening, editing or converting las files.

  • Open las file
  • Edit las file
  • View las file

Software that open las file - LAS Log ASCII standard file format

Click on the link to get more information about listed programs for open las file action.

Microsoft Windows:

Main software associated with las file by default:
NotePad++ text editor small icon NotePad++ text editor
Other suggested software:
Sublime Text small icon Sublime Text
Atom small icon Atom
PSPad small icon PSPad

Apple macOS / Mac OS X:

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