ODBC error when opening 32 bit query on 64 bit office

Hi all,

We've just made a massive leap from office 2003 (32bit) to Office 2013 (64bit). Of course we have lots of problems now. One problem is that users are now getting an error when trying to open existing query files (.dqy file) that were created in excel 2003. It would appear that we can create new ones, but not edit existing.

I have tried installing the access runtime 64 bit but this doesn't work.

Anyway of getting round this?
MJB2011Asked:
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Jim Dettman (Microsoft MVP/ EE MVE)Connect With a Mentor PresidentCommented:
<<We've just made a massive leap from office 2003 (32bit) to Office 2013 (64bit).>>

 Well hate to be the bearer of bad news, but that probably was a mistake.   You should if at all possible stick with 32 bit Office.

<<One problem is that users are now getting an error when trying to open existing query files (.dqy file) that were created in excel 2003. It would appear that we can create new ones, but not edit existing. >>

 The problem is in general, everything you had was 32 bit and now needs to be 64.  That means:

1.  DSN's need to be created in the right place if you use them (there is an ODBC32adm.exe for 32 bit and one for 64 bit).
2. All drivers need to be 64 bit (ie. ODBC)
3. Calls to certain Windows API's will need have the PtrSafe attribute added.
4. Some Window API calls will need to be changed as they are different between 32 and 64 bit.
5. Any 3rd party DLL's, componets, etc will need to be changed.

On the flip side, the only thing 64 bit Office gives you is extremely large spreadsheets in Excel.   If you don't need that, then run, don't walk to 32 bit Office.

 Even Microsoft still recommends 32 bit Office.

Jim.
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Jim Dettman (Microsoft MVP/ EE MVE)PresidentCommented:
And just to be clear on this:

"Well hate to be the bearer of bad news, but that probably was a mistake.   You should if at all possible stick with 32 bit Office."

  32 bit Office or 64 bit Office will run under a 64 bit OS.   Just because the OS is 64 bit does not mean you need to run 64 bit Office.

 Also be aware that you cannot mix products within Office.  All either need to be 32 bit or 64 bit.   For example, you can't install Excel in 64 bit and Access in 32 bit.

Jim.
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