What is a .AECACHE file?
An .AECACHE file is a special kind of file used by a program called After Effects, which people use to make cool visual effects and animations for videos. Think of it as a memory box where After Effects keeps things it has already done, like parts of a video it has already made look a certain way. This helps After Effects work faster because it can remember and reuse stuff instead of doing it all over again from scratch.
To open an .AECACHE file, you need to use After Effects, specifically the 2023 version or the same version from another year if it's available. This is because .AECACHE files are made to work with After Effects.
The reason After Effects creates these .AECACHE files is to save time. For example, if you ask After Effects to add a special effect to a part of your video and then decide you want to add the same effect to another part, After Effects can do it quicker the second time because it remembers how from the first time. This remembering process is called caching.
However, these .AECACHE files can sometimes take up a lot of space on your computer, which might make it run slower. But don't worry, you can clean them up. Inside After Effects, there's an option under Preferences, then Media & Disk Cache, where you can click "Empty Disk Cache" to get rid of old cache files that you don't need anymore. If that doesn't work, you might have to find the folder where these files are stored on your computer and delete them yourself to free up space.
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