When you connect the Lumin app to Google Drive, you can select Lumin as your default viewer for easy viewing and annotation of PDF documents.
Enabling as Default:
- First, ensure you have installed the Lumin app on your Google Drive. Find out how here.
- Go to your Google Drive.
- Click Settings.
- Click Manage Apps.
- Find Lumin.
- Next to the Lumin app, tick the box for Use by default.
Disabling as Default:
To disable Lumin as the default app, follow the above steps and ensure that in Step 5 the box is unticked.