It is very similar in Excel and Powerpoint.
These events can be viewed in the error logs. If you click off of the current screen the program will shutdown. For example Outlook will begin to act slowly and will no longer allow the user to pull up blank emails or down load attachments. The company uses primarily Outlook, but when they use Word and Excel and Powerpoint, these applications crash as well. The first crash takes place about 2 hours in to the day and then they get more frequent as the day goes on. They are probably the most heavily used computers in that office.
All three of these workstations are using two computers with multiplicity KVM software. I've got a client who has been having issues with Microsoft Office crashing on 3 of their workstations.