With iOS 18, Apple now offers the ability to lock and hide certain apps on your device. Whenever you want to access the app, you have to input a passcode or biometric authentication to open it.

Open Microsoft Excel and select the sheet you want to lock. Make the required changes. When you are ready to share, click File at the top. Select Info from the sidebar. Select Protect Workbook.

How to lock apps on Google Pixel phones or other devices running Android 15 After years of user requests, Google finally decided to add app lock as a native feature to Android 15.

Here is a tutorial to lock or hide only the formula cells in an Excel workbook. You can also lock formulas in all worksheets in a workbook.

If you’re annoyed by the number of times you’ve to unlock your Android phone at home or when it's on you, Smart Lock is probably what you’re looking for.

Here's everything you need to know about automatically locking and unlocking your PC just by stepping away and sitting back down.

On Windows 11, you can hide (or unhide) files through File Explorer and Command Prompt (or PowerShell), and in this guide, I'll show you how.

When you lock a conversation, it is automatically separated from the regular chat list and hidden in a locked folder that requires your passcode, fingerprint, or ‌Face ID‌ authentication to open.