Fixed issue #25525

Excel/view/CellEditorView.js

@@ -794,7 +794,7 @@
 			wsOPEN = this.handlers.trigger( "getCellFormulaEnterWSOpen" ),
 			ws = wsOPEN ? wsOPEN.model : this.handlers.trigger( "getActiveWS" );
 
-		if ( s.length < 1 || s.charAt( 0 ) !== "=" ) {
+		if ( s.length < 1 || s.charAt( 0 ) !== "=" || this.options.cellNumFormat == 2 ) {
 			return ret;
 		}
 

Excel/view/WorksheetView.js

@@ -11357,6 +11357,7 @@
             autoComplete      : arrAutoComplete,
             autoCompleteLC    : arrAutoCompleteLC,
             cellName          : c.getName(),
+			cellNumFormat     : c.getNumFormatType(),
             saveValueCallback : function ( val, flags, skipNLCheck ) {
                 var oCellEdit = isMerged ? new asc_Range( mc.c1, mc.r1, mc.c1, mc.r1 ) : new asc_Range( col, row, col, row );
                 return t._saveCellValueAfterEdit( oCellEdit, c, val, flags, skipNLCheck, /*isNotHistory*/false, /*lockDraw*/false );