XLS files are spreadsheet files created by Microsoft Office Excel. An Excel spreadsheet can contain anything from images and plain text to graphs and tables and can be opened using Excel.

You can do this by making the spreadsheet read only in Excel or you can convert it from Excel to another format, such as a PDF file or even a website. Similar options are available for other ...

Want to protect an important Word document or Excel spreadsheet? Here's how to add a password, make documents read-only, and tap into other tricks to safeguard sensitive files.

If you use a computer, you probably have some Microsoft Excel documents on your Mac or PC that you wouldn’t want other people to find and read ... protect an Excel file. Whether you’re ...

You can use a CSV file to move data between programs that aren't ordinarily able to exchange data. If you spend any time with spreadsheet applications like Microsoft Excel or Google Sheets — or ...

Copying data from one worksheet to another within the same workbook file is also pretty common and easy, especially if you’re copying template structure and expressions. SEE: 30 Excel tips you ...