This Web site makes use of cookies to help you personalise information, tailor your knowledge and to keep you logged in in case you register. In this particular online video of the Free Excel training, I'll show you how you can lock cells or shield worksheets and workbooks in Excel. https://www.evernote.com/shard/s696/sh/44b7fa7b-3510-bff8-8ada-e5f2537c3c03/7QMCasKrbymkhDhRpmpKs_9Rky3HB0WSxUimEZvAaF2w3fkY1cth0FH1bg