Explanation
To help the finance team use Opportunity data to keep an eye on their pipeline without manually calculating anticipated income for the quarter, the administrator should set up collaborative forecasting. Collaborative forecasting allows users to view quota against open pipeline and make adjustments based on changing business conditions. References:
https://help.salesforce.com/s/articleView?id=sf.forecasts3_overview.htm&type=5

Query and export the Account History object using Data Loader is how the administrator can acquire the field history data for analysis. Data Loader is a tool that allows administrators to import, export, insert, update, delete, or upsert records in Salesforce using CSV files. Data Loader can handle large data sets and complex data transformations. Data Loader can be used to query and export the Account History object, which stores the field history data for accounts, using SOQL statements.