Security Boulevard

The 8 Most Dangerous File Types for Malware Infections

PDFs are the second most common file type used to deliver malware. Because they’re trusted for invoices, policies, and ...
MUO on MSN

Excel’s INFO and CELL functions tell you what’s happening under the hood

While INFO tells you about your Excel environment, CELL digs into individual cells and returns details about their formatting ...
CNET

Don't Tell Anyone, but Here's How to Lock and Hide Apps on Your iPhone

If you want to unhide or remove a lock from an app, long press on the app, tap Don't Require Face ID and enter your Face ID or passcode. Your locked apps will now be unlocked and your hidden apps will ...
MrExcel on MSN

Excel Tips: How to Build and Use Regex Like a Pro

If you use Excel 40 hours a week (and those are the weeks you are on vacation), welcome to the MrExcel channel. Home to 2,400 ...

How to hide and unhide columns in Excel to optimize your work in a spreadsheet

You can easily hide and unhide columns in Excel by individually revealing hidden columns or using the "Format" option to ...

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 ...

8 New Excel AI Features : So Powerful You’ll Never Look at Spreadsheets the Same Way

Explore Excel’s new AI-powered tools and productivity features in the Fall 2025 update. Smarter, faster, and more intuitive ...