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Upgraded to 64-bit Windows 7 and now 2007 Excel runs extremely slow

Last response: in Windows 7
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September 29, 2011 12:50:41 AM

I recently upgraded from 32-bit Windows Vista to 64-bit Windows 7 (did a clean OEM install). Now, my Microsoft Excel 2007 runs at a snails pace. Actually, I would be happy if it ran at a snails pace since it currently is running slower than that! It's almost to the point of being unusable. Opening an Excel document that took mere seconds with my 32-bit Vista now takes minutes with 64-bit Windows 7. Saving an Excel document in Vista took seconds and now easily takes 2-3 minutes with the new OS. Inserting a pivot table when my OS was 32-bit Vista was a snap, but now trying to do it working under 64-bit Windows 7 I can walk away and go eat dinner and come back and it still won't be done inserting the table.

Is there some known compatibility problem between MS Office/Excel 2007 and 64-bit Windows 7 OS? Ive searched Google but can't find anything related to the problem I am having.

I've tried restarting the PC. I reinstalled Office. I've tried launching Excel in compatibility mode for XP and Vista. All to no avail.

System Specs:
CPU = Intel Core 2 Quad Q6600 2.4 GHz
Mobo = nVidia 650i Core 2 Quad (EVGA nForce 650i Ultra)
RAM = 4 gigs DDR2 Corsair at 1066 MHz dual channel
HD = Western Digital Raptor 10k RPM 16 MB cache SATA Extreme Speed
OS = 64-bit Windows 7 SP 1
MS Office = 2007 version with SP 1 (or 2, can't recall exactly).
a b $ Windows 7
September 29, 2011 1:17:10 AM

Did you install the 64 bit version of MS Office ?
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a b $ Windows 7
September 29, 2011 1:17:42 AM

i use win 7 64 and office 2007 work well.try office repair
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September 29, 2011 1:19:13 AM

inzone said:
Did you install the 64 bit version of MS Office ?


I just followed the install prompts. There was no option to install 34 or 64 bit.
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a b $ Windows 7
September 29, 2011 8:12:38 AM

No known problems that I am aware of. Is it only Excel, or do the other Office applications also run slowly?
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September 29, 2011 8:43:46 PM

Herr_Koos said:
No known problems that I am aware of. Is it only Excel, or do the other Office applications also run slowly?


Other Office products seem to run just fine, only Excel is problematic.
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a b $ Windows 7
September 29, 2011 9:14:13 PM

Like what scout mentioend try the office repair.

Go to Start

Control Panel

Click on "Programs"

"Programs and Features"

Click on your office 2007 install. Now at the top it should say "Change".

Click on it, and on the next screen it should say "Repair"

Select the "Repair" option and let it go through the repair process.

If that doesn't work try a full uninstall.
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