Explanation
Mass delete records and data loader are two tools that can be used by Ursa Major Solar administrator undo import records into object mistake. Mass delete records tool allows administrators delete large numbers records meet certain criteria once setup interface; it can used undo import records into object mistake selecting records imported mistake deleting them mass delete records tool setup interface Data loader tool allows administrators import export delete large numbers records using CSV files command line interface API calls; it can used undo import records into object mistake using CSV file contains IDs records imported mistake deleting them data loader tool command line interface API calls Weekly data export data import wizard are not tools undo import records into object mistake because they either export import records but not delete them.
References: https://help.salesforce.com/s/articleView?id=sf.admin_massdelete.htm&type=5
https://help.salesforce.com/s/articleView?id=sf.data_loader.htm&type=5