How to Open Multiple CSV Files in One Excel Spreadsheet. The CSV file extension appears on text documents that contain comma-separated values. Like spreadsheet data, each line in a CSV file ...

Open the Excel 2010 file you want to save as a comma delimited file. Once the spreadsheet opens, click the specific spreadsheet that you want to save from the list of worksheets at the bottom of ...

Excel macros let you automate repetitive tasks for substantial time savings. Here’s how to put them to work for you.