Tally’s Default
In Tally, while exporting any reports or voucher, the default export location would be as the application installed folder. Some times this becomes unclear where the user exported their files to computer.
Also the users can also change the export location in their choice.

Use of this TDL
Using this tdl, to avoid unknown export location by every tally users, this tdl is providing common export location to everyone or separate export location to every tally users.