https://help.tallysolutions.com/docs/te9rel60/Maintaining_Company_Data/F11_Features/F11.htm

Company Features

In Tally.ERP 9, you can enable and use the available features as required for your company.  F11: Features, when  enabled or disabled, will apply to the current company only.

To enable company features

1.    Go to Gateway of Tally > click F11: Features.

2.    Select the required features in the Company Features menu.

3.    Enable the required features.

4.    Press Ctrl+A to accept.

Note: Certain features like multi-currency and multi-locations, once set to Yes, cannot be modified if the feature has been used. However, other features like Bill-wise details, Reversing Journals, and Optional vouchers, and so on, can be modified even if they have been used.

See also

Accounting Features

Inventory Features

Statutory and Taxation

TSS Features

Audit Features

Add-On Features