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Microsoft

After 40 Years, Microsoft Excel Will Add Single-Cell Lists and Arrays (microsoft.com) 65

Microsoft's senior product manager for Excel acknowledges that "Throughout Excel's 40-year history, you've only been able to put one value per cell." But that's now changing with arrays in cells (as well as nested arrays) and lists.
  • "You can create a list by selecting Insert > List or pressing Ctrl+J, then typing or pasting items separated by commas or semicolons, depending on your regional settings. Selecting the icon in the cell shows the individual values..."

    "With lists, you can filter by one or more individual items instead of whole text entries. Referencing a list returns all its values for calculations. For example, =B2 spills those values into separate cells..."
  • "For the first time in Excel, arrays can exist natively in cells as values or as formula results. They can be any size or shape and can even contain other arrays. You can now keep the result of any spilling formula in a single cell by "wrapping" the formula body with braces { }."

    "Since the introduction of dynamic arrays, array results have spilled across cells — for example ={1;2;3}. Wrapping the original array with braces creates a 1x1 array around it, so instead of spilling to multiple cells, the array stays in a single cell. Braces have long been used to describe arrays in Excel and this extends that behavior by allowing multiple layers of braces. This gives you more flexibility when building spreadsheets. Instead of leaving room for a formula to spill, you can keep the result in one cell."
  • "Arrays can now also 'nest' inside other arrays... Previously, a formula that produced an array of arrays would return a truncated result or #CALC! error. Now, supported formulas return the complete nested result... FLATTEN(array, [pad_value], [levels]) simplifies nested arrays by removing one or more levels of nesting..."
  • Three HAS functions check whether values are in an array:

    — HAS(array, value) returns TRUE if value appears anywhere in array, and FALSE otherwise.
    — HASANY(array, values) returns TRUE if any of the values appear anywhere in array, and FALSE otherwise.
    — HASALL(array, values) returns TRUE if all of the values appear anywhere in array, and FALSE otherwise.

After 40 Years, Microsoft Excel Will Add Single-Cell Lists and Arrays

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  • by know-nothing cunt ( 6546228 ) on Saturday September 26, 2026 @04:40PM (#66351566)

    straight ahead.

    • by 93 Escort Wagon ( 326346 ) on Saturday September 26, 2026 @05:44PM (#66351612)

      Oh man, right now I'm so glad my role changed a few years back. I used to have to also cover some web stuff, and people would frequently send me information stupidly-formatted in Word or in Excel (the weirdest one is how people would want an image updated, and they'd send it embedded in a Word document - a Word document containing only the photo).

      I am certain people will now be pasting crap, probably unintentionally, into single cells - thanks to this new "feature". And poor web schlubs everywhere will have to waste lots of time trying to tease out the bits of data they actually need.

      • Oh man, right now I'm so glad my role changed a few years back. I used to have to also cover some web stuff, and people would frequently send me information stupidly-formatted in Word or in Excel (the weirdest one is how people would want an image updated, and they'd send it embedded in a Word document - a Word document containing only the photo).

        I am certain people will now be pasting crap, probably unintentionally, into single cells - thanks to this new "feature". And poor web schlubs everywhere will have to waste lots of time trying to tease out the bits of data they actually need.

        Good god, this does seem like a disaster in the making. Glad I use Libre Office. Will we have cells in cells all the way down? It is supposed to be a spread sheet, understandable, for crissake!

        • Good god, this does seem like a disaster in the making. Glad I use Libre Office. Will we have cells in cells all the way down? It is supposed to be a spread sheet, understandable, for crissake!

          "It's full of cells!"

          • Good god, this does seem like a disaster in the making. Glad I use Libre Office. Will we have cells in cells all the way down? It is supposed to be a spread sheet, understandable, for crissake!

            "It's full of cells!"

            And it occurred to me - I've spent a fair time in meetings with people that use excel to promote their proposals or progress. This hidden info in cells will make that useless, trust in the numbers gone, or at least a lot of time spent explaining and showing whatever they put in the single cell. I haven't used Excel in a while since I use LO, but sounds like I might be able to place an entire spreadsheet into one visible cell.

        • Coming up next would be an Excel file within a cell. Maybe start w/ just a single sheet within the cell, followed by an "upgrade" some years later - an entire Excel file (not a file URL, mind you) within the cell

          Also, what would be the scope of the list? How many rows & how many columns?

          • Coming up next would be an Excel file within a cell. Maybe start w/ just a single sheet within the cell, followed by an "upgrade" some years later - an entire Excel file (not a file URL, mind you) within the cell

            Also, what would be the scope of the list? How many rows & how many columns?

            Ah, you beat me to it. I just commented much the same, while catching up on posts, but your post was last night. But yes, this whole thing sounds like fixing a problem that doesn't exist, and making problems.

            I dunno - could be my perspective. I use LO spreadsheets to make things clear not obfuscate them.

          • by Chaset ( 552418 )

            You already can (almost) have an Excel file in an Excel cell. OLE Spreadsheet objects can be inserted into a a spreadsheet.

            It seems the "Insert Object" command does not list Excel worksheet when invoked from Excel itself, but such an object an be created in Word and cut/pasted into Excel.

            The whole point of the spreadsheet itself is that it is a set of visible arrays; the feature just lets people bury the whole visible calculation aspect of spreadsheets. Yuck.

        • If it was a truly object oriented system, you could put a spreadsheet into a cell :P

      • A friend once sent me a jpeg-file in a zip-file. It actually saved 2 bytes.
    • "No matter what the customer asks for, what they really want is Excel".

      Some people even manage to apply this database program as if it was a spreadsheet, would you believe it?

  • That could have been prevented with this feature
  • by Anonymous Coward

    Will it finally stop popping up every Excel window to the top of my tab order when I open an Excel file from File Explorer? There are so many quirks in Excel that make it too annoying to use.

  • SPREAD sheet. (Score:4, Insightful)

    by Fly Swatter ( 30498 ) on Saturday September 26, 2026 @04:50PM (#66351576) Homepage
    not hidden data sheet. All references to calling the output a spreadsheet should be removed from the product. The point used to be all data points spread into one per cell so it is *easy to follow and print out.

    * yea I know, that ship has sailed.

    Now how does it print the array when someone asks for a 'print out' of those few cells and gets two reams of data listed in 'one cell'.
  • Finally arrived also for Excel

  • Oh noes (Score:5, Insightful)

    by snikulin ( 889460 ) on Saturday September 26, 2026 @05:32PM (#66351594)

    Now CPAs and small business people will create even uglier multidimensional monsters instead of using DBs

    • Maybe Grist [howtogeek.com] would be better.

    • Whatever keeps them off MS Access
  • Will this force the alternatives to add this 'feature' also?
    • by guygo ( 894298 )

      next they'll install a native APL interpreter.

    • >"Will this force the alternatives to add this 'feature' also?

      I came to pose the same question. What does this mean for Calc? Generally, maintaining compatibility with Excel is a must, even if it is offensive. Even if it causes all kinds of issues.

      • Calc is not compatible with excel. There's some 60 functions (nearly 15%) which are unique to one or the other or implemented in a different way, and Calc doesn't support VBS (which is offensive).

        It was never fully compatible.

        The reality is most functions simply aren't used. I suspect this one won't be used much either as there's so much scope to break things.

    • by thegarbz ( 1787294 ) on Sunday September 27, 2026 @02:43AM (#66351852)

      Will this force the alternatives to add this 'feature' also?

      LOL. Every time Microsoft touches features someone blindly says EEE without thinking. But in this case it's even more absurd since all alternatives have never been feature / function identical. Are you going to accuse LibreOffice of EEE because it supports 25 more functions than Excel does, while implementing 30 functions which are different to Excel, and while Excel previously had 30 unique functions as well?

      The alternatives have never been feature comparable for every individual item. In fact in terms of compatibility in businesses the biggest feature of Excel (office in general) was never implemented: VBS. The corporate world remains hopelessly addicted to horrendously coded macros.

      I think in reality most people will ignore this feature. It's simply a bad idea and breaks the function of a spreadsheet.

  • by Howard Beale ( 92386 ) on Saturday September 26, 2026 @05:49PM (#66351618)
    Why not just call them multivalues as you've just reinvented the Pick Database from the 80's.
  • by Lunati Senpai ( 10167723 ) on Saturday September 26, 2026 @06:17PM (#66351642)

    I am totally looking forward to auditing a spreadsheet that loads slow, only to find that it contains an entire copy of the production database in multiple cells. Whatever could go wrong?

  • Okay, that works.

  • People can and do get *scary* good at using it to do all sorts of things. But it's still a limited tool compared to a general purpose digital computer.

  • by GanjaManja ( 946130 ) on Saturday September 26, 2026 @07:40PM (#66351680)

    How did a 3rd dimension get added before graph zoom/pan? For a program that many people use for graphing, the lack of basic zoom/pan is impressive.

  • Yo dawg! (Score:5, Funny)

    by PPH ( 736903 ) on Saturday September 26, 2026 @07:48PM (#66351688)

    We put spreadsheets in your spreadsheet.

  • by outsider007 ( 115534 ) on Saturday September 26, 2026 @08:06PM (#66351698)

    Just put commas or json in there. Whoop-de-doo.

    • This is different than just putting text in ("commas or json") this puts structured data in so that Excel can then do e.g., matrix math.
  • by fuzzyfuzzyfungus ( 1223518 ) on Saturday September 26, 2026 @09:31PM (#66351734) Journal
    Support for Office 2016 and 2019 ends October 14th of this year; I assume that the feature is dropping now; rather than either 20 years ago as part of ECMA-376 and eventually in a live product for either Office 2010 or 2013, or never if they didn't want to do that, in order to draw a hard line under the utility of those?

    It otherwise seems like a kind of weird time to do it. In principle what a 'cell' is has never really had an obvious mandatory scale: it has essentially always been relevant that a 'cell' existed in relation to other cells, so that something like an array could be a row; but it has also long been allowed and encouraged to do things like substring operations that acknowledge that cell contents are 'larger' objects that contain smaller ones; and are not automatically spilled out for that reason alone. Not clear that the pragmatic use case for spreadsheets would ever have supported some sort of 'any data type that implies it can be decomposed into elements shall be' rule, strings getting broken up into substrings and so on; but it's also not clear that the pragmatic use case is going to be much clarified by a single cell being n levels deep of lists and arrays of lists and arrays being a fully supported thing rather than something you hack on by shoving JSON into text cells or whatever.

    It definitely seems like asking for confusion when some, but only some, "excel spreadsheets" have cells that are arrays, potentially of arrays, while others have rows of cells with contents that, at least formally, are not acknowledged as arrays.
    • by ColaMan ( 37550 )

      > It otherwise seems like a kind of weird time to do it.

      It's for AI. Of course it is. Microsoft is busy cramming LLM's into everything they can.

      Instead of (ugh) having the LLM manually cycle through a row or column of cells to get or set the data required, all the data is in one handy object in a single cell that can be trivially pumped in and out of whatever LLM-du-jour takes your fancy.

  • Every cell should allow a nested table (sheet), not just a list. Something like a three-or-more-dimensional spreadsheet.
  • by belmolis ( 702863 ) on Saturday September 26, 2026 @11:26PM (#66351792) Homepage
    I'm not sure this is a good idea. Are there really applications appropriate to a spreadsheet for which this is needed? I suspect that this will just make it easier for people to use Excel when they really should be using R or a database.
  • by ahoffer0 ( 1372847 ) on Saturday September 26, 2026 @11:51PM (#66351806)

    This new feature makes me think of the "Spring Surprise" by the Whizzo Chocolate Company. This "Cell Surprise" by Microsoft.

  • ... or at least, contain them all.

    Hooray!
    Finally, the first intro sheet can actually contain all other sheets. I'll just put each in one cell.

    Wait a moment, now I can put all sheets of all my Excel files inside that one sheet!
    Brb

  • maybe they could work on having excel open a csv without munging all the data . that would be useful
  • Microsoft finally developed a feature that was standard in the HARDWARE of the Burroughs B6500 which came out in 1966!
  • In terms of spreadsheet capabilities, Excel has remained pretty much stuck in the 90's for a long time. Microsoft has been so intent on adding things like multi-editing and AI, that the core functionality has languished.

    Excel's formulas are notoriously difficult to compose and read. Adding something as simple as a multi-line formula editor, would go a long way. And the need to nest parentheses within parentheses make it really difficult to know what your current parenthesis matches to. The color coding help

  • Today, it is easier to have an AI write you a program than it is to figure out how to use excel.

  • Arrays within cells are potentially useful for encoding hierarchical representations that directly model the physical world.

    For example, a car transmission has an array of multiple shafts, the shafts have arrays of gears and bearings, and bearings themselves have two rings and an array of rollers. A real world use case is modeling what happens to the bearing’s life if there’s a scratch on just one of the bearing’s rings or rollers

    Try do the same by cramming such data into a two dimensional

    • I would argue a spreadsheet is the wrong tool for this kind of simulation, and you'd be better off building the model in R or something.
      • Mostly agree. A spreadsheet can still be useful for a quick "one off" provided the problem isn't too complex. My example in particular was poorly chosen in that respect - it's intended to be illustrative, not literal - as bearing life analysis usually isn't trivial.

  • In the year 2000, at turn of century, written in last millennium, C. J. Date wrote âoeThird Manifestoâ, enabling user-defined âoedatatypeâ of array, TUPLE, RELATION, and type inheritance. A bit too complex except in âoeTutorial Dâ playgroundâ¦RDBMS vendors avoided entirely for last quarter century, like RM/Tasmanian version by E.F.Codd, which was ahead of its time & probably still is. We have all been there, and some Users will try & use new features, func

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