What is the LRM File Extension?

Reporter:   |   Revised: November 26, 2018

Microsoft Silver

LRM File Summary

The LRM File Extension has two different file types (mostly seen as the Encarta Class Server Learning Resource File format) and can be opened with two distinctive software programs, with the dominant related application developed by Microsoft Corporation (Microsoft Encarta software). The majority of LRM files are considered Data Files, but they can also be Game Files.

File Extension LRM files have been identified on both desktop and mobile devices. The main LRM file type has a Popularity Rating of "Low", meaning these files are not frequently present on your typical desktop or mobile device.

Although there is a lot more to know about LRM files, those are the most important details of these types of files. If you are having trouble opening these files, or would like more detailed information, please see our comprehensive information below.

Low
Universality
3289
Position

/ 11690

Active

Relevance

26

November

2018

Page Last Updated

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Kinds of LRM Files

  2 known file types use this extension

Dominant LRM File Type

.LRM
File Name:.lrm
Class:Encarta Class Server Learning Resource File

The LRM file is associated with Microsoft Encarta.The LRM file contains one or more learning resources used by Microsoft Encarta Class Server.The LRM file stores student and teacher resources such as activity books and counting games intended to help facilitate learning.The LRM file is no longer used because Microsoft Encarta Class Server has been discontinued.Microsoft Encarta was a multimedia encyclopedia created by Microsoft.

Company: Microsoft Corporation
Division:Data Files
Folder: HKEY_CLASSES_ROOT\.lrm

Software Programs That Open The Encarta Class Server Learning Resource File:


Microsoft Encarta by Microsoft Corporation

Windows

Secondary LRM Associations

.LRM
File Name:.lrm
Class:Line Rider 2 Unbound Saved Track File

The LRM file extension is associated with the Line Rider 2 Unbound video game based on a popular on-line Flash game called Line Rider.The LRM file stores saved custom track for Line Rider 2.

Company: Interscape
Division:Game Files

Software Programs That Open Line Rider 2 Unbound Saved Track File Files:


Line Rider 2: Unbound by Interscape

Compatible with:

Windows

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LRM Demand


File Extension Device Breakdown (desktop / mobile / tablet)

Desktop (84.34%)
Mobile (14.29%)
Tablet (1.37%)


Sources of LRM Problems


Frequent LRM Opening Issues

Microsoft Encarta Removed

When trying to open your LRM file, you get the error "Can't Open LRM File Type". If so, it typically means that you don't have Microsoft Encarta installed for %%os%%. Your operating system cannot associate your LRM with Microsoft Encarta, so double-clicking the file won't work.


Tip: When you have another program installed that you know will open your LRM, you can select it from the other programs listed (see "Show Apps").


Microsoft Encarta is Out-of-Date

Sometimes your installed version of Microsoft Encarta won't support your Encarta Class Server Learning Resource File file. Installing the latest version of Microsoft Encarta from Microsoft Corporation is recommended. Most of the time your Encarta Class Server Learning Resource File file was created by a newer Microsoft Encarta than what you have installed.


Tip: Sometimes you can get a clue about the version of LRM file you have by right clicking on the file, then clicking on "Properties" (Windows) or "Get Info" (Mac OSX).


Primarily, problems experienced when opening LRM files are due to having the incorrect version of Microsoft Encarta installed on your computer.


Other LRM File Issues

Assuming you have the right Microsoft Encarta version installed, other problems can prevent you from opening LRM files. There can be other issues - unrelated to software - preventing you from opening LRM files. Other contributing causes:

  • Invalid LRM file references in the Windows Registry (the "phonebook" of the Windows Operating System)
  • Corruption of the LRM file description inside the Registry
  • Invalid installation of a LRM-associated program (eg. Microsoft Encarta)
  • Your LRM can't be loaded properly (file corruption)
  • Malware-tainted LRM file can't be opened
  • Device drivers for LRM-related hardware are out-of-date
  • Your computer does not have the adequate system resources to open the Encarta Class Server Learning Resource File format

Quiz: Which file extension is an archive file?









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