Your first time using with Dropbox


When you select Dropbox as your storage mechanism in the next splash screen will be
Click the Authorize button to allow to access a specific folder in your Dropbox, usually Apps/drawio. If you want to forget your Drobox authorization later on, when logged in your name appears in the top right pull down

Selecting Sign Out will de-authorize your current login to Dropbox (it won't disconnect the application from your Dropbox permanently).

Dropbox permissions and privacy


The first time you authorize Dropbox you will see a dialog like
When you click Allow will have write and read permissions to only that folder. This means that all your files not related to your diagrams are completely secure from
Linking to Dropbox means that can read basic information about you, including your email. However, none of this information resides anywhere except your browser and Dropbox's server, it is never passed up to servers.

Changing your storage settings


Once you are authorized you'll see the new/open dialog. See the Starting section for a description of how to use this.
If you decide to switch default storage mechanism at any later point, navigate to the application web page and you'll see this dialog. Click on Not using Dropbox and your storage selection will be forgotten and the initial storage splash displayed. If you want to change Dropbox user logout use the pull down menu on the top right.