>> LRN file

LRN file format description

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

1 filename extension(s) found in our database.

.lrn - Apple Chess User Data

The LRN game data files are related to Apple Chess. LRN file is an Apple Chess User Data. Apple Chess is a chess game for Mac OS X.

Apple Chess
Game Data files
- / -
Apple Chess User Data related extensions:
Visual Pinball Rendered Table Cache
Command and Conquer 3 Replay
Kaiser 2 Saved Game
StarCraft 2 Unit Localization Data
StarCraft 2 Localization Header
1000 Miglia Game Data

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

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

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

irn, krn, len, lgn, ln, lnr, lr, lrg, lrm, ltn, prn, rln

Is it possible that the filename extension is misspelled?

Similar file extensions in our database:

Esko PlatePrep Len File
Microsoft Windows Application Log
IRedit Database
LinkTreeNotes Data
Lunar Invasion Saved Game
NBA 99 Game Font 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

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