OfficeIns is a small utility that displays the details of all installed Microsoft Office add-ins on your computer, and allows you to disable/enable them.
Command-Line Options
/stext <Filename> Save the list of all installed office add-ins into a regular text file.
/stab <Filename> Save the list of all installed office add-ins into a tab-delimited text file.
/stabular <Filename> Save the list of all installed office add-ins into a tabular text file.
/shtml <Filename> Save the list of all installed office add-ins into HTML file (Horizontal).
/sverhtml <Filename> Save the list of all installed office add-ins into HTML file (Vertical).
/sxml <Filename> Save the list of all installed office add-ins to XML file.

The license of this software is Freeware, you can free download and free use this microsoft office add-ins software.