Se voglio che un bottone nella toolbar della griglia non si vedo quando sono sul client outlook offline basta specificarlo nell'ISV.config.

<Entity name="appointment">
          <Grid>
            <MenuBar>
              <Buttons>
                <Button Icon="/_imgs/ico_18_debug.gif" Url="/activities/appointment/edit.aspx" WinParams="" WinMode="3" AvailableOffline="false">
                  <Titles>
                    <Title LCID="1033" Text="Add New Visit Report" />
                    <Title LCID="1040" Text="Aggiungi nuovo Report Visite" />
                  </Titles>
                  <ToolTips>
                    <ToolTip LCID="1033" Text="Add New Visit Report" />
                    <ToolTip LCID="1040" Text="Aggiungi nuovo Report Visite" />
                  </ToolTips>
                </Button>
              </Buttons>
            </MenuBar>
          </Grid>
        </Entity>