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

Luckily, Excel offers handy formulas that allow you to convert text into upper case, lower case, title case, and even sentence case with minimal effort.

How to Format Text in an Excel Spreadsheet. Excel's text formatting capabilities can make the results of your financial, statistical or scientific spreadsheet calculations more esthetically ...

Excel may return a serial number instead of a date; because it is stored thus in the backend. Learn how to convert Serial Number to Date.