>Could someone explain to me which would be better... Private or Default datasessions?
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>I want to be able to open multiple forms (seperate forms, not multiple instances of the same form) that may or may not share files. I also would like one user's changes to be visible to another user immediately.
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>I'm thinking "Default" datasessions are what I need but I'm not sure...
>
>TIA

It mostly depends on interface (framework) approach. Having private datasession you allow safely more direct work with data: filters, relations etc. Default datasession will generally require separation data from interface.