Learn how to lock cells in Google Sheets and how to lock a spreadsheet. This will protect your data from getting accidentally changed.

If you don't perform a regular Gmail backup, your data is at risk. Reduce the risk of data loss. Learn how to back up Gmail emails.

Getting too much spam in your inbox? Want to know how to stop getting junk email? Learn top strategies to block spam emails and other unwanted messages.

Use these steps to protect Excel cells, sheets, and workbooks. Make sure your Excel data doesn't fall into the wrong hands or edited without your knowledge.

Need to fill in an email address but don't want to give out your real email? Use a disposable email address to solve the problem!

Have you ever wondered how to block someone on Gmail—filter distracting messages or stop spam? This tutorial shows you how to filter and block unwanted...

If you run your own business and travel, protecting your computer and other devices is incredibly important. You need to make sure that you minimise the...

Virtual Private Networks are a great way to protect you and your business from unsecured wifi networks. In this tutorial I look at what is a VPN, how it can...

Is your email secure? The news is full of stories about private accounts being hacked. This tutorial explains how to use Gmail password security features.