Windows 7 Opens excel files in separate Excel programs

I have Windows 7, Office 2010.
I have Excel open already, then when I open a excel file in Outlook a extra Excel program opens. If I open another excel file...a 3rd Excel programs opens.
What I want is to have all excel files open in the same program, like it did in Windows XP.

Jimi  
eureka15Asked:
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zorvek (Kevin Jones)ConsultantCommented:
To restore the default behavior, quit all instances of Excel, click the Start menu and select Run. Enter "Excel.exe /UnRegServer" and click OK, wait for the process to finish, then enter "Excel.exe /RegServer" and click OK. The full path to Excel may have to be entered for the command to work.

To get the command to work the full path to the Excel application may be required. If so, the path usually looks like:

   C:\Program Files\Microsoft Office\OFFICE\Excel.exe

or

   C:\Program Files\Microsoft Office\OFFICExx\Excel.exe

where xx is the Excel version: 10 for 2002, 11 for 2003, 12 for 2007, and 14 for 2010. So the commands for Excel 2003 are:

   "C:\Program Files\Microsoft Office\OFFICE11\Excel.exe" /UnRegServer
   "C:\Program Files\Microsoft Office\OFFICE11\Excel.exe" /RegServer

Kevin
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zorvek (Kevin Jones)ConsultantCommented:
Sorry, that doesn't work in Excel 2010.

To restore default behavior in Excel 2007 and later, quit all instances of Excel and open the "Add or Remove Programs" control panel, select the Excel installation, click "Change", and select "Repair".

Kevin
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eureka15Author Commented:
Kevin,

Tried the Excel 2007 and later and it did not work still have same issue.

Jimi
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zorvek (Kevin Jones)ConsultantCommented:
Let's try fixing it manually. Open Windows File Explorer and chose the menu command Tools->Folder Options. Navigate to the tab File Types. Find the XLSX entry and click Advanced. Select Open and click Edit. Check "Use DDE". Enter "[open("%1")]" (without the outside quotes) in the "DDE Message" box. Make sure the end of the string in the field "Application used to perform action" looks like "...\EXCEL.EXE" /e" (without the outside quotes) and click OK, click OK again, and click Close.

Kevin
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Rory ArchibaldCommented:
Kevin,
I don't think explorer has that option in Win7, IIRC.
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eureka15Author Commented:
Kevin,
I can't find what you are talking about...sorry. More help please.

Jimi
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zorvek (Kevin Jones)ConsultantCommented:
Rory is correct. Windows 7 and later removed that ability. You will need a free third party tool to monkey with the DDE settings:

http://izt.name/soft/types/

Kevin
0

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eureka15Author Commented:
Thanks
0
WillieManillieCommented:
Though it's been a while since this post, I confirmed the above does still work. Sometimes Microsoft makes absolutely no sense.
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