Sage 100 – How to Reverse a Check and Invoice in Accounts Payable. Gallery Sage 100 – How to Reverse a Check and Invoice in Accounts Payable. Sage 100 tips and tricks Sage 100 – How to Reverse a Check and Invoice in Accounts Payable. Question: Mike, we own Sage 100 (formerly MAS90) and we would like to [...] By | 2019-03-14T21:42:56+00:00 November 29th, 2018|Sage 100 tips and tricks|Comments Off on Sage 100 – How to Reverse a Check and Invoice in Accounts Payable. Read More