How to open a .csv file in Excel Opening a .csv file is as easy as opening a .txt file, and usually, you won’t have to clean up the data before doing so because the save task inserts the delimiter.

Click "File," "Open" and browse to your second Excel file. Double-click the file to open it. Repeat the steps for each new file you'd like to open in its own window.

Learn how to open an XML File in Excel, Word, Chrome, and Edge on a Windows computer using the methods mentioned in this post.

Microsoft Excel has several features designed to help you recover unsaved versions of files and prevent data loss.