If numbers keep changing to dates automatically in Excel or if Excel changes dates to random numbers then this post will help you fix the issue. As reported by some users, whenever they enter a number ...

To apply data validation rules to a selected cell or range, head to the "Data" tab on the ribbon, and click the top half of the "Data Validation" icon if you're using a wide screen, or the left half ...

Microsoft Excel normally does not let users change the values of protected cells. To edit a protected cell, you must first remove its protected status. You can do this using either Excel's ribbon ...

In a program like Excel, which is designed to handle numbers, you'd expect to be able to use fractions without any hiccups.