Please login as admin to LiveSupport web application.

 

Then click the "Chat admin" button.

 

Go to Configuration tab.

 

>> like the types of files that can be sent while in live support, 

 

Pleae modify the following options:

 

LiveSupport Allow send file 

LiveSupport File Upload Filters --  Restricting Upload Files by Extensions and Types
Defalult: "txt,chm,doc,xls,psd,pdf,ppt,zip,rar,gz,bmp,png,gif,jpg,swf,mp3,wmv,rm,rmvb" 

LiveSupport Max File Upload Size

 

Hope it helps.

 

Let me know if you have any further questions.