Software

Chrome or Edge crashing with STATUS_INVALID_IMAGE_HASH is usually your antivirus injecting an unsigned DLL. Update the AV or whitelist the browser — how-to here.

Stop a sender's emails in Gmail: open a message, hit the three-dot menu, and Block. Here's how, how to unblock, and how to block a whole domain.

Turn a Word doc into a PDF in a few clicks with Save As, Export, or Print to PDF. Here's how on desktop, the web, and your phone, keeping links intact.

VLOOKUP in Google Sheets, with the exact syntax and a working example. Plus how to pull from another sheet, fix #N/A, and when to use XLOOKUP instead.

Clear cache and cookies in Microsoft Edge to fix slow or broken pages. Here is the exact path, plus how to clear one site or wipe data on every exit.

Microsoft Edge won't open, keeps crashing, or shows a blank screen? Close it in Task Manager, update, then repair Edge from Settings. The full fix list.

Turn on automatic replies in Outlook for a vacation or a day off. Steps for new and classic Outlook, plus what to do if your account has no Out of Office.

Lock a Word file so only people with the password can open it. Here is the Encrypt with Password step on Windows and Mac, and how to remove it later.

Sent a Gmail message too soon? Click Undo in the seconds after sending, and set a longer window — up to 30 seconds — so you always get the chance.

Keep Chrome current for speed and security. Here is how to update it on desktop and phone, and how to read the colored Update dot in the menu.