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Canon Printer Scanner Utility - some printers include this; we don't have a comprehensive list
CLAN - removed from the MSC catalog.
FrameForge Previz Studio version 4 supports Catalina, but we LSA only have has licensing for 3.5.
Preps 6 (Preps 8.4 is the current version, but it's still 32-bit).
Xerox "Express ScanManager"
Toast Titanium 18, a paid upgrade, is supposed to work with Catalina – ITAM is not purchasing this.
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