In order to download the activity file in .TXT format and convert it to Excel, you must do the following:

1. Access your account at infocaller.com in the "Activity" section
2. Choose the desired period and click on "File". A pop-up screen will open with all the requested data.
3. Save the file to your computer
4. Open an Excel (.xls) and in the Excel menu choose: Data> Get External Data> Import Data
5. Select the saved file
6. Click on "Delimited"
7. Click on the "Next" button
8. Click on "Separators" and choose "Eat"
9. "Next" button
10. Finally press "Finish"

In this way, you will have all the data transferred to Excel so you can process them as you need.