TTC File Extension
TrueType Font Collection
- File Type ttc
- Popularity
- Application FontForge
- Category Font Files
What is a TTC file?
The TTC file extension is linked to TrueType Font Collection and belongs to the Font Files category, which includes 102 files.
TTC files are compatible with various operating systems, including Linux, Windows and Mac OS. You can view a TTC file using one of 7 programs, for example DiskFonts, FontForge and FreeFontConverter.
Programs that support TTC files
How to open a TTC file?
The most common reason why a TTC file cannot be opened is the absence of required software. To fix this, select a compatible program from the list. Then visit the official developer website via the provided link, download the program, and install it on your system.
DiskFonts, FontForge and FreeFontConverter are recognized as the most popular software solutions for dealing with TTC files. To install the most up-to-date edition of FontForge, visit the official George Williams website. You can download the build that works across all operating systems.
After completing the installation, TTC files should be recognized by the system and linked to FontForge.
Set FontForge as the default TTC program
Setting a default program by file type in Windows
- Start by right-clicking on your TTC file and selecting the "Open With" option. From there, click "Choose another app" to continue;
- In the pop-up window, select the FontForge application;
- Check the "Always use this application" checkbox, and then click "OK" to apply the selected application as the default for opening TTC files.
Change Default Program on Mac
- Right click or Control + left click on the desired TTC file;
- Select "Open in application" and click "Other";
- In the lower section of the window, you’ll find the "Enable" menu, with "Recommended Programs" pre-selected as the default option;
- Select "All Programs" in this menu, and then search for FontForge. Check the box next to "Always open in app" to make sure it’s the default option.
How to edit a TTC file?
Editing TTC files requires installing professional software that lets you open and edit font files. Online editors have more limitations compared to dedicated TrueType Font Collection programs.
Best TTC editors in 2026
Taking the above factors into account, we have selected a list of TTC editors currently available.
| TTC Editor Software | Developer | Platforms | Overall Rating |
|---|---|---|---|
| FontForge | George Williams | Windows, Mac OS, Linux | 4.5 out of 5 (39 reviews) |
Convert to and from TTC
When a TTC file is not easy to work with, converting it to formats like TTF, OTF or other comparable types may help.
Converting a TTC file may not fully retain all functionality, but it is generally possible to return it to the original format.
Convert TTC to other file formats
Solve problems with TTC files
While TTC files can sometimes present difficulties, most problems can be resolved quickly with minor software modifications. Check the tips below to help solve them.
Are there any techniques or tools available to repair a damaged TTC file?
Use a recovery program to open the damaged TTC file and navigate to the "Repair" menu item. Then wait for the recovery process to complete, which allows you to automatically repair corrupted font files.
What are the signs that my TTC file is damaged?
Corrupted TTC font files may show the following signs:
- Editing the archive in FontForge is accompanied by slow performance or delays;
- File hangs or crashes in FontForge or other programs;
- The file does not open or opens with errors;
- Unexplained increase in TTC file size;
- Working with the file triggers the display of error messages;
What factors contribute to FontForge crash?
FontForge crashes can be attributed to outdated software. Make sure you have installed the latest updates for George Williams products.
Restarting your computer will solve many common problems, which is why it’s the first thing you should do before changing any settings related to the software.