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MrExcel Publishing’s Attempt to Document the Constantly Changing Excel Features in Office 365

January 13, 2020 - by Bill Jelen

XLOOKUP is Great, but it Makes this Book Obsolete.

It was August 30, 2019. I was doing a seminar in Maitland Florida. People in the audience were excited about the new XLOOKUP function they had just heard about on CNBC. I happily ran through several XLOOKUP functions in the seminar, but then I deadpanned this joke: “XLOOKUP is super exciting, but it makes this brand-new MrExcel LX book already obsolete.”

MrExcel LX
MrExcel LX

Someone suggested... “Why not update the e-book so it does cover XLOOKUP??”

That was a great idea. The MrExcel LX book was only a few months old, but Excel kept constantly evolving. You can’t print 4000 new copies every time a new feature is released.

During December, I updated the PDF of MrExcel LX with XLOOKUP plus other features released to Office 365: (exchange rates, ask a question about your data, Power Query's Data Profiling tools). It is not a new book – there are only 12 new pages. But since I don’t think there is a way to represent 60.1 in Roman Numerals, I started calling this update MrExcel 2020.

Here is my plan:

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Resolve to Learn Power BI in 2020 »

December 26, 2019 - by Bill Jelen

It’s a new decade. You’ve been saying that you really need to transition your Excel skills to Power BI. If you are looking for a New Years Resolution for 2020, now is the time to get comfortable with Power BI and create a few dashboards.

Excel More Excel Tips. Photo Credit: Sam Truong Dan at

Excel 2019: More Excel Tips »

December 19, 2019 - by Bill Jelen

I published more than 200 ideas since February. While the following ideas did not get much press here, they are self-explanatory in a 140-character tweet.

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