http://fileformats.archiveteam.org/index.php?action=history&feed=atom&title=Logitech_Compress 2026-04-12T18:03:16Z Revision history for this page on the wiki MediaWiki 1.19.2 http://fileformats.archiveteam.org/index.php?title=Logitech_Compress&diff=51290&oldid=prev 2025-12-23T00:09:30Z

<p>‎<span dir="auto"><span class="autocomment">Sample files</span></span></p> <table class='diff diff-contentalign-left'> <col class='diff-marker' /> <col class='diff-content' /> <col class='diff-marker' /> <col class='diff-content' /> <tr valign='top'> <td colspan='2' style="background-color: white; color:black;">← Older revision</td> <td colspan='2' style="background-color: white; color:black;">Revision as of 00:09, 23 December 2025</td> </tr><tr><td colspan="2" class="diff-lineno">Line 32:</td> <td colspan="2" class="diff-lineno">Line 32:</td></tr> <tr><td class='diff-marker'>&#160;</td><td style="background: #eee; color:black; font-size: smaller;"><div>== Sample files ==</div></td><td class='diff-marker'>&#160;</td><td style="background: #eee; color:black; font-size: smaller;"><div>== Sample files ==</div></td></tr> <tr><td class='diff-marker'>&#160;</td><td style="background: #eee; color:black; font-size: smaller;"><div>* In most cases, the LGEXPAND.EXE utility is found alongside examples of compressed files. Refer to the Software section above.</div></td><td class='diff-marker'>&#160;</td><td style="background: #eee; color:black; font-size: smaller;"><div>* In most cases, the LGEXPAND.EXE utility is found alongside examples of compressed files. Refer to the Software section above.</div></td></tr> <tr><td colspan="2">&#160;</td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div><ins style="color: red; font-weight: bold; text-decoration: none;">* {{DexvertSamples|archive/logitechCompress}}</ins></div></td></tr> </table>

Sembiance http://fileformats.archiveteam.org/index.php?title=Logitech_Compress&diff=51113&oldid=prev 2025-09-30T13:10:44Z

<p>Give a brief description of header fields for v2.0 format</p> <table class='diff diff-contentalign-left'> <col class='diff-marker' /> <col class='diff-content' /> <col class='diff-marker' /> <col class='diff-content' /> <tr valign='top'> <td colspan='2' style="background-color: white; color:black;">← Older revision</td> <td colspan='2' style="background-color: white; color:black;">Revision as of 13:10, 30 September 2025</td> </tr><tr><td colspan="2" class="diff-lineno">Line 11:</td> <td colspan="2" class="diff-lineno">Line 11:</td></tr> <tr><td class='diff-marker'>&#160;</td><td style="background: #eee; color:black; font-size: smaller;"><div>V1.0 is just raw [[PKWARE DCL Implode]] data.</div></td><td class='diff-marker'>&#160;</td><td style="background: #eee; color:black; font-size: smaller;"><div>V1.0 is just raw [[PKWARE DCL Implode]] data.</div></td></tr> <tr><td class='diff-marker'>&#160;</td><td style="background: #eee; color:black; font-size: smaller;"></td><td class='diff-marker'>&#160;</td><td style="background: #eee; color:black; font-size: smaller;"></td></tr> <tr><td class='diff-marker'>−</td><td style="background: #ffa; color:black; font-size: smaller;"><div>V2.0 adds an 8-byte header, so it is a distinct format.</div></td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div>V2.0 adds an 8-byte header, so it is a distinct format<ins class="diffchange diffchange-inline">. This header includes the last character from the original file extension, a byte whose purpose is currently unknown, and the uncompressed file size as a 4-byte little-endian integer</ins>.</div></td></tr> <tr><td class='diff-marker'>&#160;</td><td style="background: #eee; color:black; font-size: smaller;"></td><td class='diff-marker'>&#160;</td><td style="background: #eee; color:black; font-size: smaller;"></td></tr> <tr><td class='diff-marker'>&#160;</td><td style="background: #eee; color:black; font-size: smaller;"><div>== Identification ==</div></td><td class='diff-marker'>&#160;</td><td style="background: #eee; color:black; font-size: smaller;"><div>== Identification ==</div></td></tr> </table>

RSola http://fileformats.archiveteam.org/index.php?title=Logitech_Compress&diff=50932&oldid=prev 2025-08-23T12:46:58Z

<p>‎<span dir="auto"><span class="autocomment">Software</span></span></p> <table class='diff diff-contentalign-left'> <col class='diff-marker' /> <col class='diff-content' /> <col class='diff-marker' /> <col class='diff-content' /> <tr valign='top'> <td colspan='2' style="background-color: white; color:black;">← Older revision</td> <td colspan='2' style="background-color: white; color:black;">Revision as of 12:46, 23 August 2025</td> </tr><tr><td colspan="2" class="diff-lineno">Line 28:</td> <td colspan="2" class="diff-lineno">Line 28:</td></tr> <tr><td class='diff-marker'>&#160;</td><td style="background: #eee; color:black; font-size: smaller;"><div>* [https://archive.org/details/PCMCDS Discos PCManía] → PCMania CD79_3.iso → HTML/DATA/CONTROL/M83setup.EXE → DISK1/LGEXPAND.EXE</div></td><td class='diff-marker'>&#160;</td><td style="background: #eee; color:black; font-size: smaller;"><div>* [https://archive.org/details/PCMCDS Discos PCManía] → PCMania CD79_3.iso → HTML/DATA/CONTROL/M83setup.EXE → DISK1/LGEXPAND.EXE</div></td></tr> <tr><td class='diff-marker'>&#160;</td><td style="background: #eee; color:black; font-size: smaller;"><div>* [{{DiscMasterHash|b5d596872c924ceb5194bfd55cd9970cda5f7e83d44c3c79753680bf4e99bd77}} DiscMaster search for LGEXPAND.EXE v2.0]</div></td><td class='diff-marker'>&#160;</td><td style="background: #eee; color:black; font-size: smaller;"><div>* [{{DiscMasterHash|b5d596872c924ceb5194bfd55cd9970cda5f7e83d44c3c79753680bf4e99bd77}} DiscMaster search for LGEXPAND.EXE v2.0]</div></td></tr> <tr><td colspan="2">&#160;</td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div><ins style="color: red; font-weight: bold; text-decoration: none;">* {{Deark}}</ins></div></td></tr> <tr><td class='diff-marker'>&#160;</td><td style="background: #eee; color:black; font-size: smaller;"></td><td class='diff-marker'>&#160;</td><td style="background: #eee; color:black; font-size: smaller;"></td></tr> <tr><td class='diff-marker'>&#160;</td><td style="background: #eee; color:black; font-size: smaller;"><div>== Sample files ==</div></td><td class='diff-marker'>&#160;</td><td style="background: #eee; color:black; font-size: smaller;"><div>== Sample files ==</div></td></tr> <tr><td class='diff-marker'>&#160;</td><td style="background: #eee; color:black; font-size: smaller;"><div>* In most cases, the LGEXPAND.EXE utility is found alongside examples of compressed files. Refer to the Software section above.</div></td><td class='diff-marker'>&#160;</td><td style="background: #eee; color:black; font-size: smaller;"><div>* In most cases, the LGEXPAND.EXE utility is found alongside examples of compressed files. Refer to the Software section above.</div></td></tr> </table>

Jsummers http://fileformats.archiveteam.org/index.php?title=Logitech_Compress&diff=50550&oldid=prev 2025-07-27T12:34:53Z

<p></p> <table class='diff diff-contentalign-left'> <col class='diff-marker' /> <col class='diff-content' /> <col class='diff-marker' /> <col class='diff-content' /> <tr valign='top'> <td colspan='2' style="background-color: white; color:black;">← Older revision</td> <td colspan='2' style="background-color: white; color:black;">Revision as of 12:34, 27 July 2025</td> </tr><tr><td colspan="2" class="diff-lineno">Line 1:</td> <td colspan="2" class="diff-lineno">Line 1:</td></tr> <tr><td class='diff-marker'>&#160;</td><td style="background: #eee; color:black; font-size: smaller;"><div>{{FormatInfo</div></td><td class='diff-marker'>&#160;</td><td style="background: #eee; color:black; font-size: smaller;"><div>{{FormatInfo</div></td></tr> <tr><td class='diff-marker'>&#160;</td><td style="background: #eee; color:black; font-size: smaller;"><div>|formattype=electronic</div></td><td class='diff-marker'>&#160;</td><td style="background: #eee; color:black; font-size: smaller;"><div>|formattype=electronic</div></td></tr> <tr><td class='diff-marker'>−</td><td style="background: #ffa; color:black; font-size: smaller;"><div>|subcat=<del class="diffchange diffchange-inline">Archiving</del></div></td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div>|subcat=<ins class="diffchange diffchange-inline">Compression</ins></div></td></tr> <tr><td class='diff-marker'>&#160;</td><td style="background: #eee; color:black; font-size: smaller;"><div>|extensions={{ext|??%}}, {{ext|??~}}</div></td><td class='diff-marker'>&#160;</td><td style="background: #eee; color:black; font-size: smaller;"><div>|extensions={{ext|??%}}, {{ext|??~}}</div></td></tr> <tr><td class='diff-marker'>&#160;</td><td style="background: #eee; color:black; font-size: smaller;"><div>|released=~1991 (v1), ~1996 (v2)</div></td><td class='diff-marker'>&#160;</td><td style="background: #eee; color:black; font-size: smaller;"><div>|released=~1991 (v1), ~1996 (v2)</div></td></tr> </table>

Jsummers http://fileformats.archiveteam.org/index.php?title=Logitech_Compress&diff=50547&oldid=prev 2025-07-27T12:23:17Z

<p>Created page with &quot;{{FormatInfo |formattype=electronic |subcat=Archiving |extensions={{ext|??%}}, {{ext|??~}} |released=~1991 (v1), ~1996 (v2) }} &#039;&#039;&#039;Logitech Compress&#039;&#039;&#039; refers to a compressed f...&quot;</p> <p><b>New page</b></p><div>{{FormatInfo<br /> |formattype=electronic<br /> |subcat=Archiving<br /> |extensions={{ext|??%}}, {{ext|??~}}<br /> |released=~1991 (v1), ~1996 (v2)<br /> }}<br /> '''Logitech Compress''' refers to a compressed file format used by Logitech for software installation.<br /> <br /> There are two known versions, which we'll call &quot;v1.0&quot; and &quot;v2.0&quot;, after the version number of the corresponding LGEXPAND.EXE decompression utility.<br /> <br /> V1.0 is just raw [[PKWARE DCL Implode]] data.<br /> <br /> V2.0 adds an 8-byte header, so it is a distinct format.<br /> <br /> == Identification ==<br /> V2.0: Files start with bytes {{magic|da fa}}. The two bytes at offset 8 are probably always {{magic|00 06}}, because the format has only been seen to use binary-4K compression, even for text files. The file ends with one of the bit patterns that [[PKWARE DCL Implode]] can end with.<br /> <br /> == Software ==<br /> Packages using the format often include LGEXPAND.EXE, a decompression utility for DOS.<br /> <br /> V1.0:<br /> * {{CdTextfiles|cream04/windows/logimw62.zip|logimw62.zip}} → LGEXPAND.EXE<br /> * {{CdTextfiles|cream20/windows/logi71.zip|logi71.zip}} → LGEXPAND.EXE<br /> * See also [[PKWARE DCL Implode#Software]] and [[TTCOMP#Software]].<br /> <br /> V2.0:<br /> * [https://archive.org/details/packard-bell-ftp-zd.-7z Packard Bell FTP] → Packard Bell FTP ZD.7z → Bell FTP ZD/ZDSFIUP01970100/l3dw9nt.zip → LGEXPAND.EXE<br /> * [https://archive.org/details/PCMCDS Discos PCManía] → PCMania CD79_3.iso → HTML/DATA/CONTROL/M83setup.EXE → DISK1/LGEXPAND.EXE<br /> * [{{DiscMasterHash|b5d596872c924ceb5194bfd55cd9970cda5f7e83d44c3c79753680bf4e99bd77}} DiscMaster search for LGEXPAND.EXE v2.0]<br /> <br /> == Sample files ==<br /> * In most cases, the LGEXPAND.EXE utility is found alongside examples of compressed files. Refer to the Software section above.</div>

Jsummers