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how can i protect my dbf files

how can i protect my dbf files to be oppened by Excel ou another program?
thanks
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luciliacoelho
Asked:
luciliacoelho
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1 Solution
 
TAMUGCommented:
the safest way is to encrypt the file.  This will require any user to have the key to open the file.  I use Androsa File Protector and it works great.  http://www.androsasoft.net/
There is one catch.  Forget the password and you're in trouble.
There really isn't any enterprise version of an Encryption software readily available and not in Beta.
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pcelbaCommented:
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jrbbldrCommented:
A 3rd way to do it would be to create your data table files with a different file (non-DBF) extension.

This would not prevent someone from opening the file in Excel, but with a non-DBF file extension, Excel would not recognize it as a file type that it can open.

cDataDir = "F:\VFP Data"
cDBF = ADDBS(cDataDir) + "MyData.001"
USE (cDBF) IN 0 ALIAS MyData
SELECT MyData
<do whatever>

Good Luck


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jrbbldrCommented:
And yet another way would be to change from using VFP DBF files and migrate your data into a SQL Server 'backend'.  

Your application can continue to work as a 'front end' to your users and incorporate the SQL Server data tables as the data source.

Then you could use the SQL Server security management to limit access to the tables.

Good Luck

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