Follow the following steps:
1. Gateway of tally - Display - list of accounts,
2. click on export
3. screen will open - "exporting list of ledger"
File name will required, can be anything
4 formats are available for selection ASCll, excel, html, xml
Now Importing data:
1) make sure company is created where you will import the master, if company not selected, load the company - then select import masters.
2) Type in the file name. the name and the path of the source file should match