Multi Columnar Reports

In order to assess the performance of various units of an industry, an organisation often compares its financial data with other units. Tally generates such comparitive reports. You can view reports with columns representing different companies alongside each other but only of those companies which are active.
To add new columns to a report you are viewing Press Alt + C and select the new company from the list of active companies. Then give the data range for the report. Now a new column is added to your report. You can add any number of companies.

There is a Auto Column(press Alt + N) button too which enables you to bring up the same report for different companies in columns, with a Total Column which shows total of all companies.

Exporting and Importing of Inventory, accounts and voucher data from one company to another

This features helps in exporting and importing company masters that is accounts and inventory, and vouchers to another company.

Exporting Data - Select Display from Gateway of Tally. Then in order to export vouchers select Day Book or List of Accounts. After that click on the Export button on the horizontal bar. You can also press Alt + E in place of it and then specify the format of the file, file name and the type of masters to be exported.

Importing Data - Select Import of Data from Gateway of Tally and then select Masters in order to import all the masters or Voucher in order to import vouchers

Copying masters from one company to another

It is commonly seen that certain accounts are similar to all companies. It is mostly seen in case of branches or subsidiaries of a single parent company, since, the structure of accounts is basically same. Tally 9 enables you to copy the accounts or inventory created in one company to another very easily.
In order to copy single account choose single option but if you want to copy multiple accounts then choose multiple option.
You can copy an account in the following way:

1. Select both the companies, the source company that is the company where you have created the accounts and the destination company that is the company where you wish to copy the accounts.
2. Select Accounts info or Inventory info(which ever you want to copy) from the Gateway of Tally of the source company.
3. Select the relevant option at the Accounts Info or Inventory Info, menu.
4. Open the record in alteration mode by pressing 'A' for single accounts or 'T' for multiple accounts. Then select the accounts or group of accounts you want to copy.
5. Press F3 at the alteration screen to change the company. From the given list select the destination company.
6. Make alteration to the accounts if required in the destination company and accept the account by pressing ENTER or Ctrl + A. After the account is copied, it will take you back to the source company. Now accounts exists in destination company also.