Exported closed pre-2018 matters directly from Salesforce/Litify as a better source of truth than copied folder timestamps.
LITIFY_TEMPlitify_pm__Matter__clitify_pm__Status__c = Closed and either litify_pm__Incident_date__c < 2018-01-01 or litify_pm__Open_Date__c < 2018-01-01C:\Users\SAguiar\Documents\Codex\salesforce-litify\pre2018-closed-matters_2026-04-29_1448litify_closed_matters_pre2018.xlsxlitify_closed_matters_pre2018_clean.csvlitify_closed_matters_pre2018_name_sorted.csvlitify_closed_matters_pre2018_raw.csvquery_used.soqlHANDOFF.mdpost_run_qa.mdBy Date, By Name, Summary