You can change the date & time format in Google Sheets & Excel Online using this guide. Use different date & time formats in spreadsheets.

Thanks to the linked cell property in Microsoft Excel, it's super easy to use the selected value as a condition in a macro or conditional formatting rule.

Tables can be really handy when trying to organize information in Excel or Google Sheets, but if you need to get rid of the formatting, here's how to do it.

The article How to calculate conditional subtotals in an Excel revenue sheet uses simple expressions, a function, and a conditional format to display a daily balance in a revenue sheet.

To create data bars in Excel, select your cells and then choose data bars from Conditional Formatting.