Microsoft Excel 2007 constantly calculating sheets

Posted by acseven on Super User See other posts from Super User or by acseven
Published on 2012-06-08T09:31:36Z Indexed on 2012/06/08 10:43 UTC
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microsoft-excel

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Performance

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cpu

I believe this happening for two weeks now: Excel 2007 (on Windows XP) is acting funny on my computer; any medium sized sheet with some formulas in it takes a significant amount of time recalculating.

I can see this because the "calculating: 2 processors xx%" message was almost unseen before and now it appears on most operations like calculating a formula (on one cell), saving, previewing, etc.

If the sheet is complex (lots of formulas) I have to disable automatic calculations because excel renders as unusable - it hangs for a really long time, measureable in minutes.

Any idea on what may be causing this?

ps: this is a Core2 Duo computer with 2 Gb of RAM

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