The phrase "accessed either" is correct and usable in written English.
It can be used when discussing options or alternatives regarding access to something, typically in a technical or informational context.
Example: "The data can be accessed either through the main server or via the backup system."
Alternatives: "retrieved from either" or "obtained from either".
The collection may be accessed either as a stand-alone resource or as part of the Stanford Skolar MD, an integrated online medical knowledge provider.
There is a separate mute feature on TweetDeck, which can be accessed either through the Settings or by clicking on the three dots at the bottom-right of any tweet.
The Bing studio can be found on the lower floor of the building and can be accessed either by elevator (just past the ticket counter) or by going down the main staircase and turning left.
Nadella's strategy has instead been to focus on taking businesses where Microsoft has traditionally excelled and moving them to the Internet-based "cloud" — for example, selling subscription-based versions of Office that can be accessed either on a desktop or through the Internet.
The gardens are managed by the nearby Russian Museum, and can be accessed either from the ornate wrought-iron gates running along the Dvortsovaya embankment of the Neva, or from the entrance on ulitsa Pestelya, close to whether the Moika and Fontanka rivers meet.
Feeds can be accessed either through a desktop browser or a mobile phone.
However, you will not be able to access either of those unless you follow the instructions to create a newyorker.com log-in.
The menu, along with the guide function, was easy 'nough, although I doubt she will ever access either one.
The meetings are then stored in an online "Cubby," which you can access either through Join.me or via Cubby directly, using your same login information.
Every Ooma account also includes two lines, and either can be accessed from either phone.
But that trance seems to continue when he puts his book down; in his daily life, he can't access either his anger or his passion.
