Data file format record
Microsoft Office Open XML — 2007 onwards
This is the full registry record for one specific format. If you just want to know what to do with a file, the extension pages below are friendlier.
| Format name | Microsoft Office Open XML |
|---|---|
| Version | 2007 onwards |
| PUID | fmt/189 |
| MIME type | Not recorded |
| Extensions | None recorded |
| Primary extension | None recorded |
Source: PRONOM, the technical registry maintained by The National Archives (UK) for digital preservation.