These files are commonly used when sending email attachments. Instead of attaching and sending multiple Excel spreadsheet files, for example, you can send a single ZIP file instead.

If the boss wants to review a Microsoft Excel report every day at the same time, don't worry: You can use a Power Automate flow to automatically send that report on time.

Microsoft Excel spreadsheet files, or XLS files, can be converted into XLA add-in files, designed to attach to Excel installations and add information or functionality seamlessly to the Excel ...