Hi
Sometimes when I open a spreadsheet from recent document list or a pinned document (right click icon on taskbar) Excel opens a new copy of the programme, which then means that I can't ctrl-tab between the documents.
It never used to do this. Why is it doing it now? Are there settings I can change? This is REALLY annoying.
If I go ctrl-O to open document it always opens in current Excel programme.
Excel 2010 student, Win 7 64-bit Pro, 8GB RAM
Thanks in advance
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