What is PPSX? PPSX, short name for PowerPoint Slide XML, is used as the file extension for files in Microsoft PowerPoint Slide Show format. .PPSX files are binary files that can be opened by Microsoft PowerPoint software. See the sample .PPSX file included below.

File Extension: .PPSX

MIME Type: application/vnd.openxmlformats-officedocument.presentationml.presentation, application/vnd.oasis.opendocument.presentation

File Content: Slide Show Document

.PPSX files are presentation files saved in PowerPoint Slide Show format. Here are the first 64 bytes of a sample .PPSX file dumped in HEX values:

50 4b 03 04 14 00 06 00 08 00 00 00 21 00 3e f5 PK..............
ad 76 da 01 00 00 47 0d 00 00 13 00 08 02 5b 43 .v....G........C
6f 6e 74 65 6e 74 5f 54 79 70 65 73 5d 2e 78 6d ontent_Types..xm
6c 20 a2 04 02 28 a0 00 02 00 00 00 00 00 00 00 l...............

.PPSX files are actually ZIP files. See the ZIP identifier "PK" in the above HEX dump. When an .PPSX file is extracted by a ZIP tool, you will these files and folers:

<DIR>          docProps
<DIR>          ppt
         3,402 [Content_Types].xml
<DIR>          _rels

.PPSX PowerPoint Slide Show file sample: Click sample.ppsx to download.

.PPSX PowerPoint Slide Show files can be created and modified by these software:

• Microsoft Office - Opens and creates .PPSX PowerPoint Slide Show files