Keeping Score on 64 bit vs. 32 bit Microsoft Applications

As those of you who follow this blog know, I’ve get the best laptop in the world.  One of the joys of it is the 64 bit architecture.  I was lagging behind with my old Jornata Dell Latitude D820, and now I can VM with the big boys.

But can I really?  It turns out that many 64 bit applications are actually a step backward in other ways.

Product Architecture Benefits Drawbacks
Office 2010 32 bit
  • My Excel spreadsheets can only cover the state of RI
64 bit
  • Really big Excel spreadsheets that can cover the eastern US
  • Very few add-ins work
  • Can’t cohabitate with SharePoint Designer 2007 (my workhorse tool) *unless* you uninstall SPD first, install O2010x64, and then reinstall SPD2007. (Last bit per Jeremy below)
  • Can’t use Datasheet view with SharePoint lists
Internet Explorer 32 bit    
64 bit  
  • No Flash – Adobe doesn’t have an x64 plugin (per @gusfraser) Ed.: Not clear that this is a drawback. ;+)

What else goes in the tables?  Tell me your plusses and minuses, and I’ll update the tables so that everyone can make good decisions.

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3 Comments

  1. As a young lad I was told there was no such word as “can’t”. Finally I get to prove it…You can install SharePoint Designer 2007 alongside Office 2010 RTM 64-bit, just install it afterwards.

    1. Thanks! That’s excellent news for me, at least. I updated the table with that info. Have an SPDevWiki page I should link to?

      M.

  2. I’m interested to hear about the ability to have SPD 2007 x86 running alongside Office 2010 x64 by installing SPD 2007 after Office 2010. I wonder if there will be any problems when updates / hotfixes / service packs get applied? I guess the answer is probably going to be “we don’t know yet!”

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