You can add a zero before a number in Google Sheets and Excel using this tutorial. You need to change cell formatting or use function.

When you type a seven-or-ten-digit phone number into an Excel cell that uses the phone number format, Excel will automatically change the way the number looks so that it appears as a phone number.

Adding a text to a cell in Excel using Formula requires use of ampersand operator, CONCAT function, or the LEFT, RIGHT, and LEN functions.

Excel filters help you find exactly what you want, no matter how big your spreadsheet database is. Here's how to set number, text and data filters.