It is possible to use the platform's bulk upload functionality to make changes to your Google Shopping Campaigns.
You can create new Shopping campaigns in bulk, as well as editing campaign priority.
To begin, you'll need to create a standard bulk sheet by following the instructions in our Help article.
In order to either create new Shopping campaigns or edit campaign priority, you'll need to use certain column headers within your bulk sheet. The column headers are as follows, along with the possible values you could use: