How to lock cells in Microsoft Excel, so you need a password to change or erase data

You can lock cells in Excel by heading into the program's "Protection" tab. There, you can set a password, and protect your data.

How to use VLOOKUP in Google Sheets to search for specific data and replicate it across spreadsheets

You can use VLOOKUP with Google Sheets similar to how the search function is used to find information in Excel.