How to Recover Recently Deleted Photos on iPhone
Recover recently deleted photos on iPhone in iOS 26 from Recently Deleted, iCloud.com or a backup, plus what to try once the 30-day window has passed.
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How to Lock Cells and Protect a Sheet in Excel
Lock cells in Excel by unlocking the cells people fill in, then turning on Review > Protect Sheet. Covers formulas, passwords, edit ranges, Mac and web.
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Excel223 guides
- How to Lock Cells and Protect a Sheet in Excel
- How to Use Conditional Formatting in Excel
- How to Use INDEX and MATCH in Excel
- How to Use COUNTIF in Excel
- How to Remove Duplicates in Excel
- How to Use PIVOTBY in Excel to Summarize Data by Rows and Columns
iPhone50 guides
- How to Recover Recently Deleted Photos on iPhone
- How to Hide Photos on iPhone
- How to Use Call Screening on iPhone to Screen Unknown Callers
- How to Stop Your iPhone Screen from Turning Off
- How to Sign Out of the Outlook App on iPhone
- How to Turn Off Background App Refresh on iPhone 14
Recently published
How to Use Virtual Desktops in Windows 11
Learn how to use virtual desktops in Windows 11: create, switch, rename and close desktops, move apps between them, and fix shortcuts that don't work.
How to Create a Contact Group in Outlook
Create a contact group in new Outlook, classic Outlook or Outlook on the web, email it, edit or delete it, and see when a Microsoft 365 group fits better.
How to Insert a Checkbox in Word
Insert a checkbox in Word: clickable boxes from the Developer tab, printable box bullets, checkbox symbols and web checklists on Windows and Mac.
How to Fix No Sound in Windows 11
Fix no sound in Windows 11: pick the right output device, check the Volume mixer, run the audio troubleshooter, and update or roll back the audio driver.
How to Share Your Calendar in Outlook
Share your calendar in new Outlook, classic Outlook, Outlook on the web or Outlook.com, publish an ICS link, and pick the right permission level.
How to Use INDEX and MATCH in Excel
Learn how to use INDEX and MATCH in Excel with step-by-step examples, two-way and multiple-criteria lookups, and fixes for #N/A and wrong results.
How to Fix Wi-Fi Not Working in Windows 11
Fix Wi-Fi not working in Windows 11 with quick checks, the network troubleshooter, driver and power fixes, network commands, and network reset.
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Create rules in Outlook to sort email automatically, with steps for new Outlook, classic Outlook and the web, plus server vs. client-only rules.
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Learn how to insert footnotes in Word on Windows, Mac, the web and mobile, plus how to change numbering, convert to endnotes and delete footnotes.
How to Fix 100% Disk Usage in Windows 11
Fix 100% disk usage in Windows 11: find the cause in Task Manager, then use safe Microsoft-documented fixes for Search, SysMain, updates and drive errors.
How to Schedule an Email in Outlook
Schedule an email in Outlook with Schedule send in new Outlook, the web or mobile, or Delay Delivery in classic Outlook, plus how to edit or cancel it.
How to Use COUNTIF in Excel
Learn how to use COUNTIF in Excel with examples for text, numbers, dates and wildcards, plus COUNTIFS, OR logic and fixes when COUNTIF returns 0.
How to Use Phone Link in Windows 11
Set up Phone Link in Windows 11 with an Android phone or iPhone, then text, call and see notifications on your PC. Includes what works on each phone.
How to Recall an Email in Outlook
Recall an email in new or classic Outlook, on the web, Mac or phone. See which accounts support recall, how cloud recall works, and how to read the report.
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How to Use Storage Sense in Windows 11
Learn how to turn on Storage Sense in Windows 11, choose what it deletes and when, free up OneDrive space, run it now, and fix common problems.
How to Set Up Automatic Replies (Out of Office) in Outlook
Set up automatic replies (out of office) in new Outlook, classic Outlook and Outlook on the web, plus a rule for Gmail or IMAP accounts and fixes.
How to Use Windows Sandbox in Windows 11
Turn on Windows Sandbox in Windows 11 from Settings, Windows Features or PowerShell, test apps safely, lock it down with a .wsb file, and fix errors.
How to Remove Duplicates in Excel
Remove duplicates in Excel with the Remove Duplicates button, Advanced Filter, UNIQUE, COUNTIF or Power Query, plus fixes when Excel misses them.
How to Use Call Screening on iPhone to Screen Unknown Callers
Make unknown callers say who they are before your iPhone rings. Turn on Call Screening in iOS 26 or later, and filter unknown and spam calls.
How to Use PIVOTBY in Excel to Summarize Data by Rows and Columns
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How to Enroll in Windows 10 Extended Security Updates (ESU)
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How to Use TRIMRANGE in Excel for Dynamic Ranges
Use Excel TRIMRANGE to trim empty edges and build dynamic ranges. See examples, named ranges, blank-row limits, and common error fixes.
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Extract codes and patterned text with Excel REGEXEXTRACT. Learn match modes, capture groups, case options, and fixes with tested examples.
How to Use GROUPBY in Excel to Summarize Data
Summarize Excel data with GROUPBY. Follow a tested example, control headers and totals, filter source rows, and fix common formula errors.
How to Troubleshoot Car Technology Problems When Your Car Won’t Start
When your car won’t start, the problem isn’t always a major mechanical failure. Modern vehicles rely on key fobs, electronic steering locks, push-button start systems, computers, sensors, and other electronics...
Use Passkeys in Windows 11: Create, Sign In, and Manage
Create passkeys from supporting services, verify with Windows Hello, choose storage carefully, and manage local passkeys in Windows 11.
How to Turn Off Windows Studio Effects in Windows 11
To turn off Windows Studio Effects in Windows 11, open Windows Settings, find the camera section under Bluetooth & devices, select your webcam, and toggle off the specific effects you...
How to Turn Off Dynamic Lighting in Windows 11
To turn off Dynamic Lighting in Windows 11, open your PC's Settings, go to Personalization, and find the Dynamic Lighting section. From there, it's a quick flip of a switch,...
How to Enable Dynamic Lighting in Windows 11
Do you want your PC's RGB lights to do more than just sit there looking pretty? Windows 11 now offers Dynamic Lighting, a super cool feature that lets you take...
How to Use Sudo in Windows 11
Using sudo in Windows 11 is a total game-changer for anyone who regularly uses the command line. To get started, open your Settings, head to the "System" section, and click...
How to Record Your Screen with Snipping Tool in Windows 11
Ever wanted to capture what's happening on your computer screen? Maybe you need to show someone how to do something, or perhaps you want to save a quick clip of...
How to Open a Winmail.dat File on Windows 10
To open a winmail.dat file on Windows 10, you need a special tool, often a free program or an online converter, to decode what's inside. The tool shows the actual...
How to Fit Your PC Screen to a TV or Monitor in Windows 10
To fit your PC screen to a TV or monitor in Windows 10, right-click the desktop, select Display settings, select the TV or monitor, and set Display resolution to the...
How to Keep a Window on Top in Windows 10
Use Microsoft PowerToys Always On Top to pin a window, manage exclusions, and understand elevation and topmost-window limits.
How to Set a Metered Connection in Windows 10
To set a metered connection in Windows 10, go to Start > Settings > Network & Internet > Wi-Fi, select the network you're connected to, and turn on Set as...
How to Play MP4 Files on Windows 10
Playing MP4 files on your Windows 10 computer is usually a breeze, as the operating system often handles them automatically with its built-in media players. If you ever encounter an...
How to Fix Ping Spikes Windows 10
To fix ping spikes on Windows 10, check your network connection, update outdated drivers, and tweak some system settings so background downloads don't compete with your game or video call....
How to Open CRDOWNLOAD Files in Windows 10
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How to Remove User from Windows 10 Login Screen
To remove a user from the Windows 10 login screen, go to Settings > Accounts > Family & other users, select the user, and click "Remove." Windows removes their account...
How to Install Node.js in Windows 10
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How to Hide the Taskbar in Windows 10
To hide the taskbar in Windows 10, right-click an empty spot on the taskbar and select Taskbar settings. Turn on Automatically hide the taskbar in desktop mode. The taskbar slides...