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

File Extension: .POTX

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

File Content: Template Document

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

50 4b 03 04 14 00 06 00 08 00 00 00 21 00 0f 3a PK..............
56 1a d7 01 00 00 4a 0d 00 00 13 00 08 02 5b 43 V.....J........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...............

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

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

.POTX PowerPoint Template file sample: Click sample.potx to download.

.POTX PowerPoint Template files can be created and modified by these software:

• Microsoft Office - Opens and creates .POTX PowerPoint Template files