You can have Excel make a spreadsheet in read only format for others, so that people can read its contents but not edit them, or you can enforce other content restrictions.

Also known as a Comma Separated Value file, a comma delimited file is a standard file type that a number of different data-manipulation programs can read and understand, including Microsoft Excel.

Sending Excel files containing crucial financial and business data has risks. To add a layer of protection, you should learn to password protect an Excel file.