So you forgot your Windows password and are now locked out. What to do? We'll show you the best ways to get back into the system.

Forgot your PDF password? Unlock PDF, Word & Excel files securely using Wondershare Dr.Fone. Multiple decryption methods ensure fast, safe access to your documents. Try it now!

How to Recover an Excel Password in OS X. The Mac operating system provides a way for you to lock Excel with a password to prevent unauthorized use by using Keychain Access.

Learn how to unprotect Excel sheets or workbooks without a password using this simple step-by-step guide. No software required!

Password protect files WinGuard Pro lets you password-protect files, folders, Windows features & apps. Take a look at these free File Encryption Software for Windows if you want to protect your data.

Bitdefender has released a decryptor for the 'ShrinkLocker' ransomware strain, which uses Windows' built-in BitLocker drive encryption tool to lock victim's files.

WLAN or Windows, PDF or Rar - no matter which password you have forgotten, these tools crack all lost passwords.

Open the password-protected RAR file in the utility. Select the option to start a "brute-force attack," a systematic approach that tries all possible password combinations to discover the password.

Whether you’ve forgotten the password or received a protected file from someone else, unlocking an Excel spreadsheet without the password may seem like an insurmountable challenge.

Tech guru Kurt "CyberGuy" Knutsson explains how to password-protect files or folders in the cloud and on file-sharing platforms like Microsoft Word, OneDrive and Google Drive.