With AWS Lambda, you pay only for what you use. You are charged based on the number of requests for your functions and the time your code executes. AWS Lambda is now generally available. The AWS Free Tier includes 1 million free requests and up to 3.2 million seconds of compute time per month with AWS Lambda.
To export data from Excel to a text file, use the Save As command. Delimited text files (.txt), in which the TAB character (ASCII character code 009) typically separates each field of text. Comma separated values text files (.csv), in which the comma character (,) typically separates each field of text.
What is a CSV file? CSV stands for Comma Separated Values. Files that contain the .csv file extension are comma delimited files that contain separated database fields. These database fields have been exported into a format that contains a single line for each database record. The record is then divided and each field of the record that has been exported into a single line is separated by a comma. Files with the .csv extension are very similar to plain text files. CSV files are commonly used to transfer data from one database or spreadsheet format to another.