Alternative formats refer to a non-traditional way to access and consume information – other than by standard text or standard presentation. Providing options for access just makes sense, because it increases your audience by making information usable by more people.
There are many reasons to have alternative formats of digital resources for consumers:
Alternative formats are oftentimes provided as accommodations for students or others who may have disabilities which prevent them from fully accessing information. Keep in mind that alternative formats as accommodations must be provided to requesters at the same time the original format is provided to the rest of the class or group.