How to Automatically Insert the Date Onto a Spreadsheet. Microsoft Office Excel offers many tools and processes for automating actions in spreadsheets.

Microsoft Word has a date field, but it's not easy to use in an expression. If you need to update dates in a document, use Excel to calculate the dates and then run a mail merge.

To ensure that a date column is used correctly, you can effectively insert a calendar in Excel, using an Excel date picker.

To insert static or dynamic timestamps in Excel and Google Sheets, use keyboard shortcuts, formulas, or VBA code. Here's the detailed guide.

Using three Microsoft Excel functions, you can easily parse time components from a full date value.

With the date written in and formatted, you can now enter the formula to subtract the date. You would enter that in the appropriate cell for your Excel document.

One of the many features of Excel is being nosy. That's right, you can quickly calculate a persons age as long as you have their birth date.