Click the box next to " Sync Google Docs, Sheets, Slides and Drawings files to this computer so that you can edit offline.
This will allow Lucidchart to auto-provision accounts and fully integrate with. Grant permission to share basic information, contacts, and files with these apps.
Click the Settings icon in the top-right corner of your browser. Install Lucidchart from the Chrome Web Store if you’re using Google Chrome, OR go to your Google Drive homepage and select New > More > Connect more apps, and search for Lucidchart.
Users may either close these documents or visit directly.
If any Google documents are open, clicking the Drive icon will open a list of these documents.
Once it is done, the documents will be available to be accessed offline.
(You will see a notification in the status area on the lower right of the screen showing you the progress of the syncing operation.)
Visit Google Drive either by clicking the Drive Icon or by visiting while you are online, and the sync process will begin automatically.
Note: If the steps below do not resolve your issue with enabling and disabling Google Drive to work offline, follow the instructions that are provided in the following Google Support Article: Work on Google Docs, Sheets, & Slides offline.