Silent Install
Make Sure
.NET Framework
>= 4.5 is installed before otherwise a .NET Install will show up.
office365-backup.exe /VERYSILENT /NORESTART /LOG="%temp%SysTools Office365 Backup and Restore 1.1.log"
Silent Uninstall
x64
"%ProgramFiles(x86)%SysTools Office365 Backup & Restoreunins000.exe" /VERYSILENT /NORESTART
x86
"%ProgramFiles%SysTools Office365 Backup & Restoreunins000.exe" /VERYSILENT /NORESTART