MrPip, the data I use is freely available from Alpari from this location – http://www.alpari-idc.com/en/dc/databank.php. Download all the M1 data (about 15 months available) for the currency pair you’re interested in and uncompress it to a known location. Go to ToolsHistory Center and locate the symbol you’re working with. Delete all data (M1 to MN) for each period by first double-clicking on the period, highlighting ALL the data in the window and hitting Delete. The reason for this is that the Period Converter Script doesn’t seem to work properly if the fields already contain data. Also work offline when doing this because if any EAs or charts are active these will be updated in the background. Next, still in the History Center, ‘Import’ all the M1….