| .AAF | Avid Technology | ビデオファイル | Advanced Authoring Format File | Adobe After Effects | Adobe Systems Incorporated |
| .AEC | MAXON Computer | ビデオファイル | Cinema 4D After Effects Import Composition File | Adobe After Effects | Adobe Systems Incorporated |
| .AEP | Adobe Systems Incorporated | ビデオファイル | After Effects Project | Adobe After Effects | Adobe Systems Incorporated |
| .AES | Open Source | 暗号化ファイル | AES Crypt Encrypted File | Adobe After Effects | Adobe Systems Incorporated |
| .AET | Adobe Systems Incorporated | ビデオファイル | After Effects Project Template | Adobe After Effects | Adobe Systems Incorporated |
| .AETX | Adobe Systems Incorporated | ビデオファイル | After Effects XML Project Template | Adobe After Effects | Adobe Systems Incorporated |
| .AEX | Adobe Systems Incorporated | プラグインファイル | After Effects Plug-in | Adobe After Effects | Adobe Systems Incorporated |
| .AMX | Valve | プラグインファイル | AMX Mod Plugin File | Adobe After Effects | Adobe Systems Incorporated |
| .AOM | Adobe Systems Incorporated | 設定ファイル | After Effects Output Module | Adobe After Effects | Adobe Systems Incorporated |
| .ARS | Adobe Systems Incorporated | 設定ファイル | After Effects Render Settings File | Adobe After Effects | Adobe Systems Incorporated |
| .C4D | MAXON Computer | ３Dファイル | Cinema 4D Model File | Adobe After Effects | Adobe Systems Incorporated |
| .CFA | Frontline | データファイル | ComProbe Analyzer Capture File | Adobe After Effects | Adobe Systems Incorporated |
| .EXR | Adobe Systems Incorporated | ラスターイメージファイル | OpenEXR Image | Adobe After Effects | Adobe Systems Incorporated |
| .FFX | Adobe Systems Incorporated | 設定ファイル | After Effects Preset File | Adobe After Effects | Adobe Systems Incorporated |
| .JSX | Adobe Systems Incorporated | 実行ファイル | ExtendScript Script File | Adobe After Effects | Adobe Systems Incorporated |
| .MOCHA | Adobe Systems Incorporated | 画像ファイル | Adobe Mocha For Adobe After Effects File | Adobe After Effects | Adobe Systems Incorporated |
| .PCT | Apple | ページレイアウトファイル | Macintosh PICT Format | Adobe After Effects | Adobe Systems Incorporated |
| .PEK | Adobe Systems Incorporated | オーディオファイル | Adobe Peak Waveform File | Adobe After Effects | Adobe Systems Incorporated |
| .PICT | Apple | ページレイアウトファイル | Macintosh PICT Format | Adobe After Effects | Adobe Systems Incorporated |
| .R3D | Various Developers | ビデオファイル | REDCODE Video File | Adobe After Effects | Adobe Systems Incorporated |
| .RPF | Rockstar Games | ゲームファイル | Grand Theft Auto Data File | Adobe After Effects | Adobe Systems Incorporated |
| .XFL | Adobe Systems Incorporated | ビデオファイル | Adobe Flash Exchange File | Adobe After Effects | Adobe Systems Incorporated |
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