How to Password-Protect Word, Excel, and PowerPoint Files
Protect confidential Microsoft 365 documents with a password. Step-by-step instructions for Word, Excel and PowerPoint, plus safe sharing and recovery warnings.
Explore step-by-step tutorials for Windows, Microsoft 365, Windows Server, PowerShell, Cybersecurity, Exchange, macOS and infrastructure administration.
Protect confidential Microsoft 365 documents with a password. Step-by-step instructions for Word, Excel and PowerPoint, plus safe sharing and recovery warnings.
Learn to add heading styles, insert an automatic table of contents in Word, update page numbers, and fix missing headings with easy illustrated steps.
Lost an unsaved Word document or Excel workbook? Follow these safe, beginner-friendly recovery methods using AutoRecover, version history, and OneDrive.
Recover deleted Outlook emails—even after emptying Deleted Items. Illustrated steps for new Outlook, classic Outlook and Outlook on the web, plus Exchange Online retention limits.
Learn how to investigate Active Directory account lockouts with Event ID 4740, PowerShell, domain controller logs, and safe troubleshooting steps.
Identify inactive Active Directory accounts with PowerShell, export stale users to CSV, and understand lastLogonDate and replication limitations before disabling accounts.
Windows 11 CPU usage stuck at 100%? Identify CPU-heavy apps in Task Manager and safely troubleshoot updates, Defender, drivers, temperatures and system files.
Fix a microphone not working in Microsoft Teams on Windows 11. Check Teams audio devices, privacy settings, browser permissions, Bluetooth headsets and drivers.
Learn how to check Windows 11 SSD health using Settings, PowerShell and CrystalDiskInfo. Understand SMART warnings, SSD wear, temperature and backup precautions.