how i can make my excel file triel and can use just for 7 days?
Trial Version That Expires
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Re: Make A Trial Version That Expires In 7 Days
Im not to sharp with VBA, and the only problem with using VBA for problem of this type is when the start excel they will choose to run the macro, if they decline to run the macro then i would imagine the program will continue ok,
as a novice like me i would do the following, before you pass the program on enter the expiry date, and use the formula "Today", combine this with a if statment. then you can, without using vba password protect the sheet, its not fool prove but its a start.
=if(a1=>b2,"expired",0) a1 would contain "Today()"
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Re: Make A Trial Version That Expires In 7 Days
Excel is not a secure environement, there aremany steps that are needed - hiding sheets, etc. All his can be overcome by gaining access to the VBA Project with a password cracker.
The VBA project protection is much stronger, though not unbreakable, than worksheet protection which can easily be broken.
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