Files on a laptop or desktop can be easily transferred to mobile devices.
For iPads and iPhones:
For Android devices with a Windows computer:
For Android devices with Mac OS:
Cloud storage is another option for accessing documents on mobile devices. The most common providers are Box, Dropbox, and Google Drive. All three offer online storage that syncs across devices, allow for easy collaboration with others, and integrate with most note taking apps or programs. The main differences are storage space and price of premium accounts.
Tip: Most of the cloud storage services provide 2-step verification. Typically, a code is sent via text message when setting up an account or accessing for the first time from a new device. It is highly recommended that this verification is enabled, as it gives an extra layer of security when using these services.