Written by Allen Wyatt (last updated January 11, 2020)
This tip applies to Excel 2007, 2010, 2013, 2016, 2019, and Excel in Microsoft 365
Robert has lost way too many spreadsheets due to the "Too Many Formats" error message. He wonders if there is a way to monitor the running total in real time of the number of formats I have already created that will serve to give me a heads up, so to speak, of how close I am getting to the maximum allowable.
Getting the "Too Many Different Cell Formats" error message has been discussed, briefly, in a different ExcelTip:
https://tips.net/T10398
The problem can be vexing for those using large, complex workbooks or when using workbooks that have been extensively edited over long periods of time.
Unfortunately, there is no way to count the number of custom formats that Excel thinks are being used in a workbook. The reason is that Excel considers a format as any "unique set of formatting elements that are applied to a cell." That covers a lot of territory. You might think that VBA could access such formats as a collection, but that is not possible; Microsoft just doesn't make the format count available.
This means that the only way to avoid the problem is to take some sort of preventative measure. The best we've been able to find is the XLStylesTool, which you can find here:
https://www.microsoft.com/en-us/p/xlstylestool/9wzdncrfjptg
The tool is free easy to use. Run it periodically and it should minimize the problem, if not completely remove it.
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2020-01-17 08:06:17
Alex B
@GlennI haven't used it myself but this should give you some comfort on the XLStyles Tool.https://free-data-recovery.blogspot.com/2013/03/xlstyles-tool-clean-up-corrupt-excel.html#!/2013/03/xlstyles-tool-clean-up-corrupt-excel.htmlI thought the images were useful but the information you want is right at the bottom of the article under "XLStylesTool_ReadMe.txt"I normally just use a delete custom styles macro and have had no repercussions from that.(this without checking if the style is actually in use which the XLStyles tool indicates it does do)
2020-01-13 09:03:32
Glenn
Allen:
Could you give us a hint of what the tool will do? I'm hesitant to use something while being clueless about the potential effects. If, for instance, it removes all formatting, then I likely won't use it except in cases where it probably wouldn't matter anyway.
2020-01-11 19:35:59
Alex B
I am not sure that Robert quite understands the magnitude of his excel issue. You are not going to want to be monitoring how close you are getting to the maximum allowable. The maximum allowable in xlsx is 64,000. Your productivity will have declined way before you get anywhere near that number (due to spreadsheet bloat and the speed at which it runs)
My understanding is that your spreadsheet does not have to be actually using a style, the style just needs to be in the list of custom styles. You can count this using VBA.
If you end up using VBA to DELETE the custom styles just be sure NOT to use a “For Each” loop and to use “For ........Step -1”. (You are deleing from a collection and it runs much faster if you start from the end)
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