Table of Contents
Understanding After Effects File Formats Before Installation
Before moving files into system folders, you must understand the distinction between compiled plugins, extendable scripts, and CEP panels. Installing a file in the wrong directory will prevent After Effects from loading it upon startup.
| Type | File Extension | Standard Destination Folder | Where It Appears in AE |
|---|---|---|---|
| Native Plugin | .aex (Win) / .plugin (Mac) | /Plug-ins/ or /Common/Plug-ins/7.0/MediaCore/ | Top Menu > Effect > [Plugin Category] |
| Script Panel | .jsx / .jsxbin | /Scripts/ScriptUI Panels/ | Top Menu > Window > [Script Name] |
| Extension | .zxp / .ccx | Installed via ZXP Installer or Creative Cloud | Top Menu > Window > Extensions |
Installing Native Plugins on Windows (Step-by-Step)
For standalone .aex files downloaded from platforms like PRADUMNA_FX Plugins:
- Close After Effects completely. Never drop plugin binaries into system folders while the background AE process is running.
- Open Windows File Explorer and navigate to the default versioned plugins folder:
C:\Program Files\Adobe\Adobe After Effects [Year]\Support Files\Plug-ins\ - Create a dedicated folder for the developer (e.g.,
Plug-ins\PRADUMNA_FX\orPlug-ins\VideoCopilot\) to keep your directory organized. - Paste the
.aexfile into this newly created folder. - Relaunch After Effects. Open an existing project, create a new Solid Layer (
Ctrl + Y), and check the Effect menu.
Pro-Tip: Using the Shared MediaCore Directory
If you use both Adobe Premiere Pro and After Effects, place compatible video plugins in C:\Program Files\Adobe\Common\Plug-ins\7.0\MediaCore\. Both NLEs will read the plugin binary without duplicating files on disk.
Installing Native Plugins on macOS (Apple Silicon & Intel)
macOS installations require specific permission handling due to Apple Gatekeeper:
- Quit After Effects (
Cmd + Q). - Open Finder and press
Cmd + Shift + Gto open the Go to Folder prompt. - Enter:
/Applications/Adobe After Effects [Year]/Plug-ins/ - Move your
.pluginbundle into the folder. (You will be prompted for your macOS administrator password). - Apple Silicon Gatekeeper Fix: If macOS displays a security prompt saying "Plugin cannot be opened because the developer cannot be verified", open System Settings > Privacy & Security, scroll down, and click Allow Anyway.
Troubleshooting Missing Plugins & Startup Crashes
If a plugin does not appear in your Effect menu after restarting:
- Check Bit-Depth & Architecture: 32-bit legacy plugins will not load in modern 64-bit After Effects CC releases. Ensure your plugin binary is compiled for 64-bit architecture.
- Verify Visual C++ Redistributable (Windows): Many plugins require updated Microsoft Visual C++ 2015-2022 runtimes. Install the latest official x64 redistributable package if you receive error
(126) The specified module could not be found. - Clear the Plugin Cache: Hold
Ctrl + Alt + Shift(Win) orCmd + Option + Shift(Mac) while launching After Effects to force a clean plugin initialization scan.
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Browse Plugins LibraryFrequently Asked Questions
On Windows, it is located at 'C:\Program Files\Adobe\Adobe After Effects [Version]\Support Files\Plug-ins\'. On macOS, it is at '/Applications/Adobe After Effects [Version]/Plug-ins/'.
This usually happens if the file was placed in the wrong folder (such as 'Scripts' instead of 'Plug-ins'), if the plugin is 32-bit instead of 64-bit, or if macOS Gatekeeper blocked the unsigned binary.
Yes, if the plugin supports MediaCore, placing it in 'C:\Program Files\Adobe\Common\Plug-ins\7.0\MediaCore\' (or macOS equivalent) enables both applications to load the same plugin.