You can use the Excel Concatenate function to create a sentence, join and add space between words, comma between words, space between words, etc.

Concatenate merges the data you have inserted into columns into its own cell or column in Excel. Let’s take a look at how to use concatenate in Excel.

Open your spreadsheet in Microsoft Excel 2003 and double-click the cell in which you want the textual white space to appear. Press the "Spacebar" to enter single-character spaces.

How to combine values into a single cell in .xls Excel files The newer features and functions that I’ll be using later in this article aren’t available in the earlier .xls format.