A staple in tally interview questions, be prepared to answer this one. Data import and export functions can be helpful for several tasks, including data transfer between various Tally installations and Tally integration with other business systems. Through Tally, you can import and export data in a number of different formats, including CSV (comma-separated values), TXT (plain text), and XML (extensible markup language).   For importing data into Tally, you will need to follow the below steps:  Choose "Import Data" from the menu on the Gateway of Tally.  Choose the data type that you want to import (e.g., masters, transactions, etc.).  Choose the data format you want to import (e.g., CSV, TXT, XML, etc.).  Choose the file from your computer or network that you want to import.  Map the fields in the imported data to the fields in Tally, if necessary.  Review the imported data and make any modifications that are required.  In Tally, save the imported data.  To export data from Tally, take the following actions:  Select "Export Data" from the menu on the Gateway of Tally.  Choose the data type you want to export (e.g., masters, transactions, etc.).  Choose the data format you want to export (e.g., CSV, TXT, XML, etc.).  Choose the fields you want the exported data to contain.  Choose the computer or network location of the file you wish to export to.  Save the data file that was exported.  To make sure that the data being imported or exported is accurate and consistent, it is crucial to review and validate it carefully.