CACHE File Extension

Cache Format

File Type cache
Popularity
4.6 (42 votes)
Application Firefox
Category Temporary Files

What is a CACHE file?

The CACHE extension is related to Cache Format and is classified in the Temporary Files category, which contains 241 files.

CACHE files are compatible with various operating systems, including Windows, Mac OS and Linux. You can create a CACHE file using one of 4 programs, for example Firefox, Adobe Photoshop Album and Seamonkey.

Windows

Mac OS

Linux

How to open a CACHE file?

The most common reason why a CACHE 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.

Firefox, Adobe Photoshop Album and Seamonkey are among the most widely used programs for handling CACHE files. If you wish to install the latest release of Firefox, visit the official Mozilla portal and download the edition that works on any operating system.

Following installation, CACHE files should be automatically opened with Firefox.

Set Firefox as the default CACHE application

Change the default app that opens a file on Mac

Right-click or use Control + Left-click on the desired CACHE file to open a menu where you can choose from multiple actions;
Choose "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 Firefox. Check the box next to "Always open in app" to make sure it’s the default option.

Change default programs in Windows

Start the process by right-clicking on your CACHE file and selecting "Open With". From there, click "Choose another app" to continue;
From the options listed in the pop-up window, specifically choose Firefox as the application to handle your CACHE file;
Be sure to check the "Always use this app" checkbox and click "OK" to save your preference.

Troubleshooting guide for CACHE file complications

When issues arise with CACHE files, they can generally be fixed with small software tweaks. Use the troubleshooting tips below to help resolve them.

What are the possible solutions to recover a corrupt CACHE file?

Start a recovery program, open the damaged CACHE file and then select the "Repair" menu item to start the repair procedure. Wait for the recovery process to finish, allowing automatic repair of damaged temporary files.

How can I confirm if my CACHE file has been damaged?

The signs of corrupted CACHE temporary files can manifest as:

The file shows slow performance when edited in Firefox;
The file stops responding or freezes in Firefox or other programs;
The file does not respond or shows errors when opening it;
Unexplained CACHE file size inflation;
The file operation is accompanied by the display of error messages;

What are the possible causes of Firefox crashing?

Lack of regular software updates can cause Firefox to crash. Make sure you have installed the latest updates for Mozilla products.

Restarting your computer is a crucial troubleshooting measure that can alleviate numerous common problems. Therefore, it is advisable to restart your computer before modifying any settings related to the software.

How to edit a CACHE file?

To modify CACHE files, it is necessary to install dedicated software that lets you open and edit temporary files. Online CACHE editors generally offer fewer tools compared to programs designed for Cache Format.

Best CACHE Editor Software in 2026

Taking into account the provided details, we have prepared a list of CACHE editors that match your needs.

CACHE Editor Software	Developer	Platforms	Overall Rating
Left 4 Dead	Valve	Windows	4.5 out of 5 (41 review)
Adobe Photoshop Album	Adobe	Windows	4.2 out of 5 (42 reviews)
Firefox	Mozilla	Windows, Mac OS, Linux	4.2 out of 5 (45 reviews)
Seamonkey	Mozilla	Windows, Mac OS, Linux	4.1 out of 5 (44 reviews)

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