Why Can't I Insert a File in Microsoft Excel?. Along with the formulas, functions, calculations and data you enter into a Microsoft Excel worksheet, the program also accepts files from other ...

Add-ins are special files that provide additional functionality. After downloading an add-in file, the Add-ins Manager must be used to install it. Add-ins files have extension .xla or .xlam (for Excel ...

How to Insert an Attachment Into an Excel Spreadsheet. When you insert an object into an Excel file, such as a PDF file, Word document or an email message, you can access it more easily during a ...