Cloud software company Blackbaud Inc. late Monday lowered its outlook for the year, saying it now expects full-year adjusted revenue between $844 million and $854 million, compared with a previous guidance of adjusted revenue between $870 million and $890 million. The company expects full-year adjusted earnings between $2.46 a share and $2.52 a share, from previous expectations between $2.75 a share and $2.88 a share. The company cited reductions in one-time service revenue and in transaction-based revenue in the U.K., among other reasons. Shares of Blackbaud were halted in the extended session, and resumed trading down as much as 15%. They ended the regular session down 3.8%.