| .FITS | Open Source | 光栅图像文件 | Flexible Image Transport System File | Wolfram Research Mathematica | Wolfram Research |
| .M | MathWorks | 开发者文件 | MATLAB Source Code File | Wolfram Research Mathematica | Wolfram Research |
| .MA | Autodesk, Inc. | 3D图像文件 | Maya Project File | Wolfram Research Mathematica | Wolfram Research |
| .MDB | Microsoft Corporation | 数据库文件 | Microsoft Access Database | Wolfram Research Mathematica | Wolfram Research |
| .MM | Kodak | 数据文件 | Kodak EasyShare Thumbnail Cache File | Wolfram Research Mathematica | Wolfram Research |
| .MX | Wolfram Research | 数据文件 | Mathematica Serialized Package File | Wolfram Research Mathematica | Wolfram Research |
| .NB | Wolfram Research | 电子表格文件 | Mathematica Notebook | Wolfram Research Mathematica | Wolfram Research |
| .NBP | Wolfram Research | 数据文件 | Mathematica Player Notebook File | Wolfram Research Mathematica | Wolfram Research |
| .PIXAR | Pixar | 光栅图像文件 | Pixar Image File | Wolfram Research Mathematica | Wolfram Research |
| .PLY | MakeMusic, Inc. | 音频文件 | Finale Playback File | Wolfram Research Mathematica | Wolfram Research |
| .PNM | XnSoft | 光栅图像文件 | Portable Any Map Image | Wolfram Research Mathematica | Wolfram Research |
| .PXR | Pixar | 光栅图像文件 | Pixar Image File | Wolfram Research Mathematica | Wolfram Research |
| .TGF | Unknown Developer | 数据文件 | Trivial Graph Format File | Wolfram Research Mathematica | Wolfram Research |
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