November 2025
Intermediate to advanced
207 pages
6h 14m
English
Content preview from Excel at 40
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- Flash Fill
Long, long, ago, in an accounting department far, far, away, I got a call from a co-worker downstairs in the marketing department. They had 1000 rows of data in Excel. They needed to transform some data. It was probably taking the area code from one column and the phone number from another column and wrapping them into something that looked like (212) 555-1212.
The marketer had been manually typing the formatted phone numbers into a new column. I walked down to marketing, used a formula like =”(“&C2&”) “&TEXT(D2,”000-0000”). Double-click to copy that down and no more typing.
Had Flash Fill existed, Excel would let you type the first phone number. If you move down to the next cell and start typing the opening parentheses, it “greys ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.