MS Office 2013 - 64 bit or 32 bit version

Lou Dufresne
Lou Dufresne used Ask the Experts™
I have a destop PC that is 64 bit Gateway (Acer) PC. I am using MS Office 2013 on the Windows 7 operating system. Recently I had a virus on my PC and McAfee Tech Support removed the virus, cleaned up my PC and installed the 32 bit version of MS Office 2013.

Question: Should they have installed the 64 bit version of MS Office 2013 or did they do it correctly by installing the 32 bit version of MS Office 2013?

Thanks in advance for your assistance.

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Senior Network Systems Specialist
It does not matter but ther are are instances where certain plugins or add-ons for Office do not work for 64 bit versions of Office such as some ActiveX control, VBA scripts, OCS 2007 features, Word Equation Editor, WLL add-ins. So, I would say the 32 bit version is the correct one.

It eventually depends on what you would like to do. I would suggest using 32 bits due to the fact that a lot of applications that integrate with Office are 32 bits. Not that many vendors have 64 bits applications.
The problem with 32 bits applications is that it uses about 50% more RAM memory due to the fact that it creates a WoW (Windows on Windows) "runtime" (for lack of a better term) which consumes a large amount of ram.

So if you only have Office 2013 and Windows itself without plugins and are low on memory i would suggest 64 bits. In all other circumstances go for 32 bits.
32 Bit will be the most compatible version since many vendors writing plugins have not created the 64 bit versions yet.

32 should work the same as 64.
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Microsoft's official recommendation is to use the 32 bit version unless you have a specific need for the 64 bit version, which apparently you don't.
please use following link and get the detail about your office version (64 or 32 bit)
Top Expert 2013
It's better to install Office's 32 bit version and it's recommended by Microsoft as noted by MacroShadow above.

"In most cases, install the 32-bit version of Microsoft Office. We recommend the 32-bit version of Office, because it helps prevent compatibility issues with most other applications, especially third-party add-ins." from: >
Lou DufresneIT Business Analyst CSM / Project Manager


Everyone is in agreement that the 32 bit office version is the best to install ,   Since everyone agrees with this information and everyone provided a little additional information which increased my under standing of the difference in installing 32 bit vs 64 bit, I have split the points across everyone.

Thank you fot your assistance.

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