http://fileformats.archiveteam.org/index.php?action=history&feed=atom&title=FXPFFXPF - Revision history2026-04-08T08:57:48ZRevision history for this page on the wikiMediaWiki 1.19.2http://fileformats.archiveteam.org/index.php?title=FXPF&diff=47911&oldid=prevJsummers: Created page with "{{FormatInfo |formattype=electronic |subcat=Archiving |extensions=special |released=≤1993 }} '''FXPF''' is the signature of what is presumably a Microsoft binary patch file ..."2024-02-12T18:34:35Z<p>Created page with "{{FormatInfo |formattype=electronic |subcat=Archiving |extensions=special |released=≤1993 }} '''FXPF''' is the signature of what is presumably a Microsoft binary patch file ..."</p>
<p><b>New page</b></p><div>{{FormatInfo<br />
|formattype=electronic<br />
|subcat=Archiving<br />
|extensions=special<br />
|released=≤1993<br />
}}<br />
'''FXPF''' is the signature of what is presumably a Microsoft binary patch file format. It was used in some MS-DOS 6.x upgrade ("Step-Up") packages.<br />
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== Identifiers ==<br />
The last character of the original filename extension is replaced by an uncommon character such as "#", "^", or "@".<br />
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== Identification ==<br />
Files begin with ASCII "{{magic|FXPF}}", possibly always followed by bytes {{magic|0x00 0x00}}.<br />
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== Sample files ==<br />
* {{CdTextfiles|swsii/198/DOS62.ZIP|DOS62.ZIP}} - MS-DOS 6.2 Step-Up<br />
* {{CdTextfiles|goldmedal/volume4/UTILS1/622_STEP.ARJ|622_STEP.ARJ}} - MS-DOS 6.22 Step-Up<br />
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[[Category:Microsoft]]<br />
[[Category:MS-DOS]]</div>Jsummers