TLM File

What are TLM files and how to open them

Are you having problems opening a TLM file or just wondering what they contain? We explain what these files are used for and show you software that we know can open or otherwise handle your files.

What is a TLM file?

A .TLM file is a Timeline Maker Diagram file.

We have not yet analyzed in detail what these files contain and what they are used for. We're working on it.

How to open TLM files

Important: Different programs may use files with the TLM file extension for different purposes, so unless you are sure which format your TLM file is, you may need to try a few different programs.

While we have not verified the apps ourselves yet, our users have suggested five different TLM openers which you will find listed below.

Last updated: January 30, 2014

Various apps that use files with this extension

These apps are known to open certain types of TLM files. Remember, different programs may use TLM files for different purposes, so you may need to try out a few of them to be able to open your specific file.

Timeline Maker ProfessionalTimeline Maker ProfessionalUser submitted
West Case TimelineWest Case TimelineUser submitted
Telemetry Image File ConverterTelemetry Image File ConverterUser submitted
Timeline Maker ViewerTimeline Maker ViewerUser submitted
TaalMalaTaalMalaUser submitted

Help us help others helps thousands of users every day, and we would love to hear from you if you have additional information about TLM file formats, example files, or compatible programs. Please use the links below or email us at to discuss further.