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

File Extension: .DOTX

MIME Type: application/vnd.openxmlformats-officedocument.wordprocessingml.document

File Content: Word Document Template

.DOTX files are document files saved in Word Document Template XML format. Here are the first 64 bytes of a sample .DOTX file dumped in HEX values:

50 4b 03 04 14 00 06 00 08 00 00 00 21 00 bb 6e PK.............n
a1 91 84 01 00 00 8e 05 00 00 13 00 08 02 5b 43 ...............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...............

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

<DIR>          docProps
<DIR>          word
         1,422 [Content_Types].xml
<DIR>          _rels

.DOTX Word Document Template XML file sample: Click sample.dotx to download.

.DOTX Word Document Template XML files can be created and modified by these software:

• Microsoft Office - Opens and creates .DOTX Word Document Template XML files