Here you can configure if the button "Associate files" and the related checkbox are available in Presentations's Tools > Options dialog box.
| Registry Hive | HKEY_LOCAL_MACHINE or HKEY_CURRENT_USER |
| Registry Path | SOFTWARE\Policies\SoftMaker\Presentations 2016 |
| Value Name | OptionsAssociateFiles |
| Value Type | REG_DWORD |
| Enabled Value | 1 |
| Disabled Value | 0 |