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Basic information about TMR file

When there is a problem with opening files with the file extension TMR（*.TMR or *.tmr）, you do not need a computer expert. In most cases, using the helpful suggestions of experts contained in our website as well as appropriate programs, you can solve the problem with the TMR file yourself.

There are 2 file types using the TMR file extension in our database. In the further part of this page, you will find detail information about all the TMR file with their brief description and a list of programs that support TMR file sorted by operating systems. The table below provides useful information about the TMR file extension. It answers questions such as:
  • What is the TMR file?
  • How to open a TMR file?
  • What programs do I need to open a TMR file?
  • What programs help to create and edit a TMR file?
  • How to convert TMR files to another file format?
  • How to convert another files to TMR file format?


1.Detail information about TMR file extension: Apimac Timer Document

File type Apimac Timer Document Category Data Files
Developer Apimac Intuitive Software File format Binary
Description TMR file is a Apimac Timer Document developed by Apimac Intuitive Software. File created by Timer, a stopwatch and clock utility for Mac OS X; contains saved timer settings for the stopwatch, countdown, alarm clock, and standard clock features; used for saving and reusing the settings created in the program.
Software programs that will open, edit or convert TMR files

macOS		 Apimac Timer


2.Detail information about TMR file extension: Free Countdown Timer Backup File

File type Free Countdown Timer Backup File Category Backup Files
Developer Comfort Software Group File format Text
Description TMR file is a Free Countdown Timer Backup File developed by Comfort Software Group.
Software programs that will open, edit or convert TMR files

Windows		 Comfort Software Group Free Countdown Timer



Can't open a TMR file?

When you click a file to open it, operating system examines the filename extension. If operating system recognizes the filename extension, it opens the file in the program that is associated with that filename extension. When operating system does not recognize a filename extension, you receive the following message:

”Can't open this file: example.TMR”。

To open this file, you install one of the applications from the list of software programs that you found here, you should be able to open, edit or convert the file with the TMR extension without any issue.


Where I can download the application that support TMR file?

If you do not know where you can download the application from our list, click on the link (which is the name of the program), you will find more information there on the location where to download the required application. Most often they are the websites of software manufacturers.


How to change file associations?

  • Right-click a file with the extension whose association you want to change, and then click "Open With".
  • In the "Open With" dialog box, click the program whith which you want the file to open, or click "Browse" to locate the program that you want.
  • Select the ”Always use the selected program to open this kind of file” check box.


Can I change the extension of TMR files?

Changing the filename extension of a file is not a good idea. When you change a file's extension, you change the way programs on your computer read/open the file. The problem is, changing the file extension does not change the file format. Select a software program from our list and install it on your computer. If the file has not opened correctly, you have to look for a different software program from our list. Sometimes you have to repeat the operation several times.


What else may cause problems width open a TMR file?

The reasons for the lack of the ability to open a TMR file on your computer may be at least several. The easiest thing is to find a suitable application installed on your computer, which will open a TMR file. If there is still something wrong, you might want to check:

  • Whether the TMR file is damaged.
  • Whether the TMR file is incorrectly linked in the registry entries.
  • Whether the TMR file extension has been accidentally removed from the Windows registry.
  • Whether the installation of an application that supports the TMR file format is incompletely.
  • Whether the TMR file is infected.
  • Whether the drivers of the equipment used for opening a TMR file are up to date.
  • Whether your computer has enough hardware resources to open a TMR file.

If the TMR file still not working with your software after eliminating the above shortcomings? That means that the problem is more complex and requires the help of a specialist.