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Hutch_77Flag for United States of America asked on

Excel 2010 Open new file in new window From Outlook attachment

I have a user that can't do her job unless everything opens in a separate window... Yes I said she cannot do her job...
I have already done the reg hack which fixes the issue and she can double click files and it will open a new window, BUT when she opens an attachment from Outlook it opens in the window of the first excel window opened.  Cntrl tab is not an option saving it somewhere like it should be and opening is not an option she wants it to open from an attachment directly to a new window.
As a temporary work around I have shown her to view the excel files inline in the outlook message pane until I can find a solution.  I can put her back on 2003, but I am trying to get everyone off of 2003 as we are seeing more and more issues with it.
Microsoft ExcelOutlookWindows 7

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8/22/2022 - Mon

This worked for me:

1. Open Windows Explorer
2. Go to Tools>Folder Options>File Types
3. select extension XLSX
4. click on Advanced
5. Select action Edit
6. click Edit... button
7. on the second field go to the end of the line and change it to ...EXCEL.EXE"  /e "%1"
8. Clear DDE Message field
9. uncheck Use DDE checkbox
10 click Ok
11. Repet steps 5 to 10 but now selecting action Open
12. click Ok
13. click Ok again to exit Folder Options

The changes should reflect immediately

That has already been done, and done a second time through the registry.  That is how I was able to get double clicks to work to open in separate windows. This now only affects opening attachments from outlook.

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That looks good let me give it a shot as u hit more spots than I did
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Walt Forbes

That looks good let me give it a shot as u hit more spots than I did

I've requested that this question be deleted for the following reason:

This question has been classified as abandoned and is closed as part of the Cleanup Program. See the recommendation for more details.

http:#36156354 is the answer. The asker just never made it back to this question to confirm.
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This is somewhat of an exceptable solution, the script works when right clicking the saved file on disk, the "Open file in new Excel Instance" menu comes up, however, the excel attachments from Outlook (2010 at least) still do not open in such way, the "Open file in new Excel instance" does not come up.

Anyone else have a workaround for this?


I completed this registry hack on a Windows 7 64 bit system with Office 2010 32bit.  Now the end user is unable to open files from explorer or from shortcuts on her desktop.  Anyone know a resolution?

It happened to me as well after some time, so I had to do the quick and dirty way solution.

System restore.
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James Murphy

Delete this thread the registry settings provided seem to do more harm than good. I repaired my installation as well after trying this.