In this blog, you will see how to get all the file types from SharePoint 2013 Enterprise Search using Powershell.

Navigate to Central Administration=> Application Management=> Manage service applications => Search Service Application=> File Types (under Crawling section in the left navigation). You should be able to see all the file types that are included in the content index.

Powershell Script:

## Get the Enterprise Search Service Application

$ssa = Get-SPEnterpriseSearchServiceApplication

## Get all the file formats available for the Enterprise Search

$fileFormatColl=Get-SPEnterpriseSearchFileFormat –SearchApplication $ssa

## Loop through each file format

foreach($fileFormat in $fileFormatColl)

{

## Display the file name extension

write-host -f Green $fileFormat.Identity

}