Outlook unable to open excel attachment : This action is only valid for products that are currently installed.

The user double clicks on excel attachment and gets error : This action is only valid for products that are currently installed.

However the user can double click to open excel files if she saves them first.

But other attachments are fine for double clicks within Outlook.

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Try this in Excel
Tools > Options > General > Ignore other applications

If that doesnt work then recreate the Outlook profile. You may first want to save away the address cache (the .nk2 file) which contains the addresses the user has prevoiusly sent successfully.
You find the .nk2 file here:
C:\Documents and Settings\<user>\Application Data\Microsoft\Outlook
After recreating the profile you can restore the file to the same location assuming you used the same name for the new Outlook profile.
wilsonlam21stAuthor Commented:
I had tried recreating the profile but it didn't work.

I will try the excel options tomorrow.
Tip 27: SecureTemp Folder

Make sure this is cleaned out... Not the normal symptom of a SecureTemp problem, but worth looking at....
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Hello wilsonlam21st,

Right click on the attachment and select Open.

Cannot Open Outlook Attachment
Use TweakOL2003 to Dis/enable Attachment Security
OutlookTools to unblock attachments

Hope this helps!
wilsonlam21stAuthor Commented:
Eventually, I found out that that the association is linked to old version of Excel.  I changed it and it worked now.  Thanks for everyone's inputs.

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Glad you found it. No obj by me...
Closed, 500 points refunded.
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