Open an encrypted excel file

I had tried to open an excel file, encrypted by excel, in my dropbox,iPad, and failed. Is there any way to open it in iPad? I have Numbers on my iPad, but still failed. thanks!

RWCarr wrote:
If Apple wants to support Excel spreadsheets they can also support decryption. The algorithm is not a trade secret.
I have a spreadsheet with credit cards and account passwords. It would be really handy to have on my iPad but I don't want just anybody to be able to read it.
I repeat that it's not Apple's job.
Is Excel able to open a Numbers file, encrypted or not ?
You are perfectly free to use an encryption app which has a counterpart running under mac Os X.
Yvan KOENIG (VALLAURIS, France) vendredi 25 mars 2011 12:04:09

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