Logger Pro can read and create files in a comma separated value (CSV) format; CSV is a standard file format that can be read by many programs including Microsoft® Excel® program.
If you have data in a CSV format that you want to open with Logger Pro, choose Import From > CSV... from the File menu. For example, if you have an Excel file that you exported as a CSV file, you can open the .csv in Logger Pro using this option.
To open your Logger Pro data in a different program that can read CSV files, choose Export > CSV...) from the File menu. For example, if you want to analyze data you collected with Logger Pro using Microsoft Excel, export the Logger Pro file as a CSV file, and then import the file in Excel.