You can alter multiple Cost Centres at a time in this mode.
Go to Gateway of Tally > Accounts Info.> Cost Centres > Alter (under Multiple Cost Centres)
Use <backspace> to move back to the field Under Cost Centre or use the button F4: Parent to change parent Cost Centre. Make the necessary changes in the respective fields and Accept to save.
Note: You cannot delete a Cost Centre in multiple mode
Explanation on Buttons in Multiple Mode
It is used to move the cursor to the field Under Cost Centre.
Ctrl + F4: New Parent
It is used to bring up the list of Cost Centres, to select a new parent Cost Centre.
F6: Skip Name/Edit Name
It is used for faster data entry when you need to alter only the Category and the Parent Cost Centre, but not the names. While skipping names, you might change the Category or the parent Cost Centre to one, which belongs to another Category, in such instances Tally.ERP 9 displays an error message at the time of accepting the screen.
F7: Skip Parent/Edit Parent
It is used for quicker data entry, when you do not need to alter the parent Cost Centres but only the name of the Cost Centre. While skipping Parent Cost Centres, you might change the Category or the Cost Centres names, in such instances Tally.ERP 9 displays an error message at the time of accepting the screen.
Groups, Ledgers, Cst Cat:
It enables you to switch to these areas without having to quit from the current screen.
To change Company features. For more information refer F11: Features in Tally.ERP 9.