What is Tally vault password in tally ?

Tally vault password in tally allows user to maintain company and its contents in encryption mode (ex:********) .

How can apply tally vault password to new company ?

For that, press ALT + F3 for company info, there select create company option , press enter … now enter the basic details of the company like company name, address etc …. there, specify the tally vault password , for confirmation it will ask again to enter password . press enter — accept -yes. To load the company now, enter the password then press enter… !

How can you change tally vault password, or how can you apply tally vault password to existing (old) company ?

First, open the company which you want to change / apply password by pressing F1. Then press ALT +F3 — company info — pick the option change tally vault — press enter — now change / apply new password here .. The new company will be created now with tally vault password.