| File Extension: | 1DK |
| File Type Description: | OS/2 Saved SKF Format |
| File Type Developer: | IBM |
| Primary Associated Software: | OS/2 |
| Primary Software Developer: | IBM |
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OS/2 Saved SKF Format files are the most popular type of files to carry the 1DK file extension, originally developed by IBM for OS/2. Visitor data analysis shows that these OS/2 Saved SKF Format files are typically seen on Windows 10 user machines from United States. Google Chrome is the predominant internet browser used by this population.
| Windows 10 | Windows 11 | Windows 6 | Windows 8.1 |
 | OS/2 |
| Extension | File Type Developer | File Category | File Type Description |
|---|---|---|---|
| .6DK | IBM | Backup Files | OS/2 Saved SKF Format |
| .ADK | IBM | Backup Files | OS/2 Saved SKF Format |
| .2DK | IBM | Backup Files | OS/2 Saved SKF Format |
| .ENX | IBM | Data Files | IBM Rational XDE Data |
| .PLZ | IBM | Graphic Files | Lotus Freelance Presentation |
| .PRP | IBM | Data Files | Rational Model Properties File |
| .CLX | IBM | Data Files | Rational XDE |
| .RBC | IBM | Developer Files | Rembo-C Script |
| .NTS | IBM | Settings Files | Lotus Notes Traveler Server Config File |
| .5 | Ubisoft | Game Files | Salt Lake Winter Olympics 2002 Game Music File |
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