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Message: [QUOTE="georgesmailuk, post: 6136186"] Luca - there is no way i know of protecting excel. It was never designed for real security. You could make it harder for people to get the infromation, but the only thing i can think of (i tried this a long time ago and gave up because i was not sure i could recover the data) is to write a macro that will scramble your data so that it is unreadable, and unless the correct password is entered, closes down. This is risky though. You could lose your entire workbook if someone tries to tamper with it and you don't have a backup. Even the VBA password can be bypassed with a Hex editor. If you are sending the workbook to someone and you only want them to view the pages, i would make it into a pdf file and not give them the workbook at all. Something free like pdf995 could do this. Sorry there is no better news. George [/QUOTE]