What is ZIPX? ZIPX, short name for Extended ZIP, is used as the file extension for Extended ZIP files. .ZIPX files are binary files that can be opened by WinZIP software. See the sample .ZIPX file included below.

File Extension: .ZIPX

MIME Type: application/zip

File Content: Extended ZIP

.ZIPX files are Extended ZIP files saved as binary files. .ZIPX files have higher compression rates than .ZIP files. Here are the first 128 bytes of a sample .ZIPX file dumped in HEX values:

50 4b 03 04 14 00 00 00 62 00 e3 a6 26 38 e8 3e PK......b....8..
26 96 3b 00 00 00 53 00 00 00 0b 00 00 00 73 61 ......S.......sa
6d 70 6c 65 2e 68 74 6d 6c ff 03 3c 2e 35 de 81 mple.html....5..
42 90 5a 0d 2b 2b a7 a8 e3 4f 9f 56 65 36 9e 99 B.Z......O.Ve6..
b8 96 47 c8 b4 38 24 29 1c 33 ce 8a d5 a1 35 ac ..G..8...3....5.
08 49 ce 31 29 85 b7 0a af 8f 0b 5a 03 b5 c8 55 .I.1.......Z...U
47 4d b5 00 50 4b 03 04 3f 00 00 00 0e 00 90 b8 GM..PK..........
24 38 3b 23 91 7e 2e 01 00 00 af 01 00 00 0d 00 .8..............

.ZIPX Extended ZIP file sample: Click sample.zipx to download.

.ZIPX Extended ZIP files can be created and modified by these software:

• WinZip - Creates and opens .ZIPX Extended ZIP files.