| File Extension: | DW4 |
| File Type Description: | Visio/DisplayWrite 4 Text File |
| File Type Developer: | IBM |
| Primary Associated Software: | DisplayWrite |
| Primary Software Developer: | IBM |
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IBM created the Visio/DisplayWrite 4 Text File (DW4) file for the DisplayWrite software series. Our internal web tracking data indicates that Windows 10 operating system users, and those living in United States, are the most likely to use Visio/DisplayWrite 4 Text File files. Google Chrome is the predominant internet browser used by this population.
 | DisplayWrite by IBM |
| Windows 10 | Windows 11 | Windows 6 | Windows 8.1 |
 | DOS |
| Extension | File Type Developer | File Category | File Type Description |
|---|---|---|---|
| .PTL | IBM | Developer Files | Rational Rose Petal File |
| .POR | IBM | Data Files | SPSS Portable File |
| .12 | IBM | Data Files | IBM Voice Type Languages Scripts Data File |
| .SAV | Nintendo | Game Files | Saved Game File |
| .AS4 | askSam Systems | Backup Files | AskSam Backup File |
| .QST | Synergy Software | Data Files | KaleidaGraph Style File |
| .SPD | AutoDesSys, Inc. | Uncommon Files | Form-Z Suspended Render Data |
| .BB2 | IBM | Data Files | XBBS-OS/2, XGROUP, AV, ZTree Archiver Control Data File |
| .SSX | IBM | Data Files | IBM Rational XDE Data |
| .ID | IBM | Uncommon Files | Lotus Notes User ID File |
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