Hi - does anyone else have issues with excel freezing? I'll be merrily working on something and then all of a sudden I can't click into a cell or do anything with it. I can close down using the X in the corner and luckily it does ask if I want to save it, and this seems to work, then I can restart Excel and get working again. When this happens, if I have more than one spreadsheet open then the other seem to "white out". It's been happening a while, and I think probably since I started using 2013.
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