How can you permanantely disable DDE for .xls files

[larciel]

As the problem discussed here
http://forums.techarena.in/showthread.php?t=749154

I have same problem, but when I try to solution suggested, I can't ge
the DDE to be unchecked... It comes back!!!

I'm sure someone has same problem. Please help. THank you

*.xls files are located in server 2003 and workstations are using x
sp2,

 

[Sander16v]

Someone found a solution for this ?
Can't find a way to disable DDE.
The checkbox comes back checked always.

Thnx.

 

[Bob I]

The question is, WHY are you worried about the checkbox? You only need
to disable it once IF the issue is slow opening of double clicked files
in Word and Excel.