Imagine working on a key document in Google Drive, only to find out later that someone made unwanted changes. To prevent this ...

Microsoft Excel lets you embed content from other applications, including PDF files. You can embed a PDF file into a cell of an Excel worksheet and then use Excel's security features to lock the ...

Google Drive, which comes with Gmail, allows us to upload and share files with whoever we want. If the files are sensitive, we manually remove the sharing by altering its privacy features in the file ...

File locking has a long tradition in computing: you or independently running software wants to make sure that a file isn’t modified or deleted when it’s needed or in use. Because macOS is Unix based, ...

It may feel frustrating to have to enter your password every time you sit down at your laptop, or to have to scan your fingerprint every time you want to get into your phone, but these security ...

You can change the lock screen on your Windows computer by customizing the background image and specifying what supplemental information it displays. To change the lock screen, start the Settings app ...

A file system provides attributes for files and directories on an operating system to help you determine which users on your computer can read, modify, or execute the contents of its files and ...