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Indirect & Offset formulas are seriously slowing my spreadsheet calculations|General Excel Questions & Answers|Excel Forum|My Online Training Hub

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sp_CrumbsHome HomeExcel ForumGeneral Excel Questions & Answe…Indirect & Offset formulas are …
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Indirect & Offset formulas are seriously slowing my spreadsheet calculations
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Paul Benjamin
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October 18, 2018 - 8:07 pm
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Hi Sunny,

I have attached an example, but have had to slim the file down as original is 7,000kb and has 15 tabs with a total of 143,000 INDIRECT and OFFSET formulas

Is there anyway to convert to a VLOOKUP formula keeping the 2 MATCH formulas?

Regards

Paul

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SunnyKow
Puchong, Malaysia

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October 19, 2018 - 1:24 am
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Hi Paul

143K INDIRECT and OFFSET, no wonder your calculation slowed down to a crawl.

143K VLOOKUP will also cause a problem.

I would suggest you set your file's calculation to MANUAL to prevent the calculation after every edit while we try to sort it out.

I don't think I will be able to test the speed even if I suggest another method as I don't have so much data to play with.

BTW your file is password protected and I am unable to open it.

Sunny

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Paul Benjamin
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October 20, 2018 - 6:44 pm
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Hi Sunny,

Have removed the password,

Thanks

Paul

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SunnyKow
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October 21, 2018 - 4:20 am
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Hi Paul

In cell G3 of the Occupancy sheet enter

=VLOOKUP($A3,'REV OCC'!$E:$AW,MATCH(G$2&$A$1,'REV OCC'!$E$7:$AW$7,0),FALSE)

No idea if it will increase the calculation speed.

Do let us know the result when compared to the original using INDIRECT.

Hope this helps.

Sunny

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Paul Benjamin
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October 22, 2018 - 1:14 am
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Hi Sunny,

I have updated all 143,000 formulas and calc speed is back to normal

Thanks for your help

Regards

Paul

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SunnyKow
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October 22, 2018 - 1:22 am
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Hi Paul

That's great!!

Glad to know it is working well for you.

Sunny

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