TREC File Extension

Camtasia Studio Recorded Session
- File Type trec
- Developer TechSmith Corporation
- Popularity
- Application Camtasia Studio
- Category Video Files
- Format Binary
What is a TREC file?
The TREC file extension is linked to Camtasia Studio Recorded Session and belongs to the Video Files category, which includes 445 files.
The Camtasia Studio Recorded Session (TREC), created by TechSmith, is one of file format they developed, and they also built 4 programs to support them.
TREC files are supported by Mac OS and Windows. When working with TREC files, you can rely on 2 programs, including Camtasia and Camtasia Studio.
How to open a TREC file?
If you can’t open a TREC file, it is usually because the necessary software is missing. To resolve the issue, select the right program from the list for your operating system. Then go to the official website of the developer, download the software, and install it.
The most popular programs for working with TREC files are Camtasia and Camtasia Studio. To install the latest version of Camtasia Studio on your computer, visit the TechSmith website where you can download the version available for all operating systems.
Following installation, TREC files should be automatically opened with Camtasia Studio.
Set Camtasia Studio as your default TREC viewer
Changing the default program in Windows
- Right-click on your TREC file, then choose the "Open with" option and select "Choose another application" from the available options;
- From the list of applications in the pop-up window, find and select Camtasia Studio as your desired application;
- Check the "Always use this app" checkbox, and then click "OK" to set your chosen app as the default for opening TREC files.
Set default app to open files on Mac
- Right-click or Control + left-click on the desired TREC file to open a menu of available actions;
- Select "Open in application" and click "Other";
- Look at the bottom of the window, where you will see the "Enable" menu. "Recommended Programs" will be selected as the default option;
- Within this menu select "All Programs" and navigate to Camtasia Studio. Check the box next to "Always open in app" to make sure it’s the default option.
Convert to and from TREC
If you have trouble working with a TREC file, try converting it to AVI, MOV, MP3, WMV, M4A or similar video files.
Please note that after converting a TREC file, some functionality may differ from the original. However, in many cases, it can be converted back to its original format.
Convert TREC to other file formats
Solving Common TREC File Challenges
When issues arise with TREC files, they can generally be fixed with small software tweaks. Use the troubleshooting tips below to help resolve them.
What are the warning signs that my TREC file may be corrupted?
Corrupted TREC video files may have one or more of the following symptoms:
- Error messages appear during the course of working with the file;
- Poor performance when editing a file in Camtasia;
- Attempts to open the file result in errors or failed results;
- Unexplained increase in TREC file size;
- The file causes Camtasia Studio or other programs to hang or crash during operation;
Why does Camtasia Studio crash?
Camtasia Studio crashes can be caused by outdated software. Keep your TechSmith products up to date by installing the latest updates.
A simple restart of your computer can often fix many common problems, which is why it is the recommended first step before making any adjustments to your software settings.
How to repair a corrupted TREC file?
Use a data recovery program to open the damaged TREC file and from the menu choose "Repair" function to start the repair process. Please be patient while the recovery process completes, which will automatically restore the damaged video files.
How to edit a TREC file?
To edit TREC files, you need to install specialized software that allows you not only to open but also to modify video files. Online TREC editors usually provide fewer features than software created specifically for Camtasia Studio Recorded Session.
Best TREC editors in 2026
Taking into account the provided details, we have prepared a list of TREC editors that match your needs.
| TREC Editor Software | Developer | Platforms | Overall Rating |
|---|---|---|---|
| Camtasia Studio | TechSmith | Windows | 4.7 out of 5 (40 reviews) |
| Camtasia | TechSmith | Mac OS | 4.6 out of 5 (45 reviews) |




