After a decade testing PCs, routers, and home networks, I know what causes slow speeds and can help you optimize your internet connection.

The asterisk (*) is the wildcard character that represents any sequence of characters, including when there are no characters at all. It’s the most flexible of the bunch, since it can replace any ...

The @ symbol can also appear in regular formulas outside of tables when Excel thinks you're trying to reference a single value from a range. If you see it pop up unexpectedly, it usually means Excel ...

Learn practical HYPERLINK tips, from dynamic sheet links and navigation buttons to XLOOKUP row jumps and tidy anchor text for client reports.

For many practices, self assessment still means wading through email chains, client spreadsheets and separate tax packages, ...