You have two options to import your files to your workspace. First, you can import directly to your workspace through your file system:

In this way, you have a limit of 15MB in file size. Also, you import your file in current workspace and is not accessible through other workspaces. The other way is through your inventory. There your limit is increased to 500MB. Your file is also accessible through all workspaces. You should go to inventory tab, click on upload file where you can upload your file directly from your machine or through a database connection:

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