@Kimetik If you mean have a hosted spreadsheet, you can use Google Drive with Google Sheets.
Create a Google Sheets spreadsheet in Drive and share the link, and set it to be able to be edited. and under sharing settings, set the relevant google accounts that can access and edit.
With that link you can open in any device. Note that you may need Google sheets installed on each device.
As @StephenAbraham provided you a good advice, I’m going to mark his answer as solution in case someone on Connect is searching for similar details.
You’re welcome to share your questions related to the Local Guides program in the How-tos section, but before that please make sure you can search the community for answers and also check out the articles in the Help Desk section.
P.S. I’m removing the Italian language tag from your post, as it’s written in English. These tags should reflect the language of the post itself. To read more about the language tags, check here.