The Excel CONCATENATE function allows you to join two or more text strings into one string. Here's the basic syntax: `=CONCATENATE(text1, [text2], ...)` * **text1** (required): The first item to join. This can be a text string, a number, or a cell reference. * **[text2], ...** (optional): Additional items to join. You can include up to 255 items. **Examples:** 1. **Concatenating text strings:** `=CONCATENATE("Hello", " ", "World!")` would result in "Hello World!" 2. **Concatenating cell values:*