Data Export Service—an in-browser service, accessible through the Setup menu. It allows you to export data manually once every 7 days (for weekly export) or 29 days (for monthly export). You can also export data automatically at weekly or monthly intervals.

Data Export Wizard, also known as Data Export Service, this is a native Salesforce functionality that allows you to perform manual or scheduled exports of your data on a weekly or monthly basis.

Data Loader.

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use Data Loader to export records from the Opportunity object if you’re working with more than one Opportunity. Include the ID, Opportunity Name, and any other fields that will help to identify the correct Opportunities.