Can I use my Chromebook if I’m not in Wi-Fi range?
Alternatively, you may use the device without wireless if you’ve at least logged in once before. See the photo below and you would click “sign in as existing user.” Your Chromebook does have some internal memory where you store those files locally to access them while offline. Any files stored in your Google Drive are synced with the Chromebook and will be available offline. Files stored in other services (eg. Dropbox) will not necessarily be available. Any edits made while offline will be automatically synced the next time you connect to Wi-Fi.
If you’ve never logged into the Chromebook before, your only option is to “browse as guest” and you will be very limited in what you can do.