Space between words randomly removed in Outlook email

[KRGR_IT]

We have users who use WORD as their email editors in Outlook. So far (2)
users have a problem where spaces between words are randomly eliminated. Not
all words and not everytime they send emails. Even the same text typed in
separate emails will have different results. Both are using different
versions of Windows, Office and Outlook. The only common thing is they both
use WORD as their email editors. They do not have a problem when WORD is NOT
the email editor.

Also, they have been thoughly scan for viruses, spyware, adware, etc.
Anyone else seen this?

Thanks!!