Drag all files into 'New Folder' on the desktop. Open Microsoft User Data, and then open Office 2011 AutoRecovery. Microsoft does not recommend that you attempt to change your antivirus settings. Repairing your Office programs can resolve issues with Excel not responding, hanging or freezing by automatically repairing errors in Office files. Excel not responding, hangs, freezes or stops working. Excel for Office 365 for Mac Excel 2019 for Mac Excel 2016 for Mac Excel for Mac 2011 More. Freeze panes to lock the first row or column in Excel for Mac. Lock specific rows or columns in place by freezing panes, so you can scroll through an Excel spreadsheet and still see the top row or left column.