I try to open a password protected excel file and I get" not enough memory" " the password is incorrect" any suggestions?

Elkguy

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Jan 3, 2015
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I use a Mac laptop, Have enough HD storage, but 2 Gb of memory. I emptied trash, runs well, use " clean my Mac" program.
I have an excel file password protected that gives me the " not enough storage" error message. Suggestions? Thanks.