High CPU usage outlook for mac build 15.35 - Microsoft Community
another thread inexplicably high cpu usage (100% according activity monitor) when outlook running in background. i've tried removing office, , associated library container files, , fresh install unfortunately still seem having same issues. running on mid-2009 macbook pro 2.66ghz processor, 4gb ram on yosemite (10.10.5). any assistance gratefully received. thanks. hi alex, reply. please try use "clean startup" or "safe boot" mac determine whether background programs interfering outlook 2016 mac. may try check issue via creating new mac user profile , performing clean install latest outlook 2016 mac application program see whether problem still occurs. if above troubleshooting steps doesn't solve problem, try check user issue via using different mac determine whether specific client side issue. best regards, shyamal Office / ...