Note: It's temporary solution.
There are lots of tools and ways available to take backup of all your data.
First option is the native backup option. Go to the Settings > Accounts (tap Google) > Select Google account > check everything you want to sync. If you face any issue with this step then try to make backup file with the help of tools.
Below is the list of tools which will help you to take backup of your Pixel phone.
My Backup Pro -
Helium - App Sync and Backup
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