How to

New Outlook vs old Outlook: new Outlook adds snooze, pin, undo send and faster updates, while classic Outlook keeps COM add-ins, VBA macros and full PST support.

Open a Numbers file on a Windows PC free in Numbers for iCloud, convert it to Excel, or use LibreOffice Calc. All 7 ways, plus fixes when Excel refuses it.

Send text messages from a PC with Phone Link for Android or iPhone, or Google Messages for web in any browser. Setup steps, limits and fixes for missing texts.

Using Credential Manager on Windows 11 and 10: open it, add or remove saved credentials, manage them with cmdkey and PowerShell, and fix sign-in prompts.

An MSI file is a Windows Installer package. Open it by double-clicking in Windows, run it with msiexec, extract it without installing, or edit it with Orca.

Router vs switch: a switch connects devices inside one network, a router connects networks and shares internet. Types, how each works and which one you need.

OneNote tips for faster note-taking: organize notebooks, use templates, tags, Web Clipper, ink to text, audio notes, shortcuts, sharing and recovery.

Update the network adapter driver in Windows 11 from Device Manager, Windows Update or the PC maker, install it without Internet, roll it back and fix driver issues.

Connect a PC or laptop to a TV with an HDMI cable, USB-C, VGA or DVI, or wirelessly with Miracast (Windows key + K) or Chromecast. Plus sound and no-signal fixes.

Killer Network Service is Intel’s traffic-priority service for Killer Wi-Fi and Ethernet adapters. It is safe, but here is how to stop it or uninstall it.

Free online virus scanners for 2026: ESET Online Scanner, Microsoft Safety Scanner, Malwarebytes Free, Bitdefender Antivirus Free and Trend Micro HouseCall.

Microsoft Text Input Application is TextInputHost.exe, the built-in Windows Input app behind typing tools. See if it is safe, how to stop it and fix its memory use.