Google Optimize and Optimize 360 will no longer be available after September 30, 2023. Your experiments and personalizations can continue to run until that date. Any experiments and personalizations still active on that date will end.
If you are using Google Optimize
Google encourage all users to download their historical data from within the Optimize user interface before September 30, 2023. After this date, user will not be able to download their data
How to download data
To download your historical data before the sunset date, see Export your Optimize report data. To access your historical raw data, use the Google Analytics Data API.