OK. I figured out how to get the extensions to associate with Windows Explorer when Inventor View 2013 is installed and you do not use Inventor 2013. Thanks to the other posts that I read and I was able to add on too. I have uploaded a word document detailing each step. You will have to manually set the extensions, but once done they held and I was able to open the files from my desktop from my shortcuts. I am using Windows XP but it should work on Windows 7. Use at your own risk but it is not hard.
Delete this extension.
You will also have to associate all IAM, IPT, etc. files the same way as IDWs.
Autodesk NEEDS to correct their mistake ASAP. Problems like this can make you loose customers.
I wanted to post an update.
Windows took away the Files Tab GUI, so my last instructions is for Windows XP.
To make the changes in Windows 7, I had to edit the registry.
First make a back up of the registry. (If you do not know what you are doing then get the help of an IT pro or someone who knows how to make changes in the registry. Do this at your own risk!)
Search the registry for any Inventorview 2012 entries. I find about 4 of them that deals with the files extensions like IDW, IPN, IAM and IPT.
Change the entry from 2012 to 2013. This worked for me.
I did not change any other entries that said like last used program Inventerview 2012.
Only change the 2012 to 2013. Make sure the entry looks like this.
"C:\Program Files\Autodesk\Inventor View 2013\Bin\InventorView.exe" "%1"
I just updated a newer computer with Windows 7 and all I had to do is go into Windows Explorer and right mouse click on the file and clicked on properties. On the first tab is has a button to change the program. I changed it to Inventor View 2013 and it worked fine. (You might have to browse to the proper exe file if this step does not work)
If you want to change the icons, then you will have to Google search and find the directions on how to change them in the registry.
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