It's the world's premier spreadsheet application, and has been the industry standard for over 35 years, replacing the once-venerable Lotus 1-2-3, the first killer app for PCs in the 1980s. There are very few people on Earth who could ever say they've completely mastered every little thing about Microsoft Excel. How to Set Up Two-Factor Authentication.How to Record the Screen on Your Windows PC or Mac.How to Convert YouTube Videos to MP3 Files.How to Save Money on Your Cell Phone Bill.How to Free Up Space on Your iPhone or iPad.How to Block Robotexts and Spam Messages.
