diff --git a/src/excel-exporter/TableExporter.ts b/src/excel-exporter/TableExporter.ts
index f837000..118908d 100644
--- a/src/excel-exporter/TableExporter.ts
+++ b/src/excel-exporter/TableExporter.ts
@@ -5,6 +5,7 @@ import { path } from "tiny/path";
 export interface ExporterConfigs {
 	enabled: boolean,
 	directory: string,
+	extension?: string;
 }
 
 export class TableExporter {
@@ -15,7 +16,7 @@ export class TableExporter {
 		this.configs = configs;
 	}
 
-	get extension(): string { return ''}
+	get extension(): string { return this.configs.extension || ''; }
 
 	protected line(text = "", indent = 0) {
 		return this.indent_text(text, indent) + '\n';
diff --git a/src/excel-exporter/exporters/JSONExporter.ts b/src/excel-exporter/exporters/JSONExporter.ts
index 8c4eaa4..2caf810 100644
--- a/src/excel-exporter/exporters/JSONExporter.ts
+++ b/src/excel-exporter/exporters/JSONExporter.ts
@@ -17,7 +17,7 @@ export class JSONExporter extends TableExporter {
 		}
 	}
 
-	get extension(): string { return 'json'}
+	get extension(): string { return this.configs.extension || 'json'; }
 
 	protected recursively_order_keys(unordered: object | Array<object>) {
 		// If it's an array - recursively order any
diff --git a/src/excel-exporter/exporters/YAMLExporter.ts b/src/excel-exporter/exporters/YAMLExporter.ts
index d6cf52b..bf3b393 100644
--- a/src/excel-exporter/exporters/YAMLExporter.ts
+++ b/src/excel-exporter/exporters/YAMLExporter.ts
@@ -12,7 +12,7 @@ interface YAMLExporterConfigs extends ExporterConfigs {
 
 export class YAMLExporter extends JSONExporter {
 
-	get extension(): string { return 'yaml'}
+	get extension(): string { return this.configs.extension || 'yaml'; }
 
 	constructor(configs: ExporterConfigs) {
 		super(configs);