Demo Version
The free demo version of Sheets-Contact, although very limited in terms of features, allows you to test this application and its main functionalities (searching, adding, modifying, and deleting contacts).
It is important to test the demo version before any potential purchase.
Copy the File
To get started, copy the Google Sheets demo file: Sheets-Contact - Demo Version
Authorize Scripts
Before the first use, you must authorize the file's scripts.
To do this, click on the Contacts button:

The first time, an authorization request window will appear. Click on OK:

Select your account:

Click on Advanced:

Then on Go to Sheets-Contact - Demo Version (unsafe):

And finally, click on the Allow button:

Test the Application
Once the scripts are authorized, you can click on the Contacts button to open the contact management window:
It allows you to test the main functionalities:
- adding a contact
- modifying a contact
- deleting a contact
- the search function
However, this demo version remains limited:
- the number of usable fields is limited
- fields are not renameable
- groups are not modifiable
- the export function is not available
- the source code is not readable or commented
