Inserting a Microsoft Excel spreadsheet in a Word document is pretty simple. In short, use the INSERT > Text > Object > Object... menu, select Create from File, select the file on the computer, and click OK. That's it, you have an embed Excel in Word!
Go to the Create from File tab if your file already exists, and click on Browse to have the opportunity of inserting spreadsheet into Word, as the file must be already existing and saved locally on the computer.
There, option is given to select another icon, and, most important, change the name to display – for example a description instead of the local file name, this is up to you and the use you will have of this file.
This trick actually works for all kind of documents, to be inserted in all Microsoft Office products. For example, use it to insert PDF into Excel, insert Excel into Word, have embed Word document in Excel, insert Word document into Excel, and much more.
All combinations are possible! The only requirement, is to have the file saved on the hard drive, and accessible by the Microsoft Office application in which an object have to be embed.