by Allen Wyatt
(last updated November 24, 2018)
Normally, Excel works very well with other applications on your system—it is designed to do that. However, you may not want Excel to share information with other applications, for whatever reason. (Perhaps another application is interfering with the way you expect Excel to work.) If this is the case, then you may want to try this step:
Figure 1. The General tab of the Options dialog box.
With the check box selected, Excel won't share DDE information with other applications. (DDE is an acronym for Dynamic Data Exchange, and is the common basis for the way that many applications access the same data.) If you change the setting of the Ignore Other Applications check box, make sure you pay close attention to Excel's behavior—turning off the sharing can have unwanted consequences on the way you use Excel or other programs. Changing the setting won't affect the validity of the answers provided by Excel, it just changes the way that Excel works within the Windows environment.
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