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Data file

What is a .laz file?

A .laz file is an ASPRS Lidar Data Exchange Format (version 1.0). This is a data file — structured information used by a program rather than read directly. Confusingly, this extension has been used by 3 different formats over the years — they're all listed below.

This extension has been used by more than one format

3 different formats have claimed .laz over the years, so two files with the same extension aren't necessarily the same kind of thing.

How to open a .laz file

  • Start with the program that produced it; that's almost always the right tool.
  • Open it in a text editor to see whether it's readable text or binary.
  • For database formats, DB Browser for SQLite or LibreOffice Base can often import it.

The registry records this extension against ASPRS Lidar Data Exchange Format, ASPRS Lidar Data Exchange Format, ASPRS Lidar Data Exchange Format, so software from that family is the most likely match.

How to convert a .laz file

  • If you can view the data, exporting to .csv is usually the most portable option.

The technical record

For archivists, developers and the merely curious: these are the PRONOM registry entries for .laz.

Format nameVersionMIME typePUID
ASPRS Lidar Data Exchange Format1.0fmt/368
ASPRS Lidar Data Exchange Format1.1fmt/369
ASPRS Lidar Data Exchange Format1.2fmt/370

Got another one?