everything else I've found via searching the internet, including 'cleaning' my data, copying it into word and clearing any formatting then pasting it back again. made sure that the region is UK (as this affects how data is sometimes displayed) make sure that the excel preferences>calculation. not copying from an external source (so I know they are numbers, not 'text) making sure that the cells are formulated as 'numbers' In Excel, the autosum function seem to have stopped working - any ideas?
This step might have been performed for you.
Double-click the file that you downloaded in step 5 to place the Microsoft Office 2011 14.5.6 Update volume on your desktop, and then double-click the Microsoft Office 2011 14.5.6 Update volume to open it.
Hi - I am running OSX Yosemite 10.10.5 and have Office for Mac 2011. To check your preferences, on the Safari menu, click Preferences, and then click General.