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If you install your laptop when on the network, using the standard installation instructions for Installing EndNoteX3 EndNote on campus, EndNote will work fine on campus. But the default installation sets EndNote to looking at the Style, Filter and Connection files on the University network. Your laptop will not find these when disconnected from the network. Also, by default, your libraries will probably reside in your 'My Documents' folder on your P: drive. Depending on your computer's synchronization settings these may not be visible from home. If this doesn't work for you, it would be worth asking the IT staff who support your department to set this up for you as it means no extra action on your part and your files will be backed-up. Even if synchronization works, if you intend working offline for an extended period, it would be sensible to use the EndNote File, Save a Copy menu function to regularly save a backup copy of your libraries to an external device e.g. a memory stick.
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