If you have PowerPoint Designer activated, it can automatically open every time you insert an asset from BrandIn.

To stop Designer opening, you can turn off 'Automatically show me design ideas' in settings.

Stop designer automatically opening in PowerPoint

Windows

1. Go to File then Options (in the lower-left corner).
2. Go to the General tab.
3. In the PowerPoint Designer section, uncheck Automatically show me design ideas.

macOS

1. Go to Preferences > General.
2. In the PowerPoint Designer section, uncheck Automatically show me design ideas.