Olivia Rinaldi is a White House reporter at CBS News. She covered President Trump's 2024 presidential campaign and was previously an associate producer for "CBS Evening News with Norah O'Donnell" and ...

Mastering Excel goes far beyond SUM and VLOOKUP. By learning functions like COUNT, AVERAGE, SUMIF, SUBTOTAL, XLOOKUP, and INDEX/MATCH, you can find opportunities to improve your Excel sheet. Some ...