Hi,
Do you mean you'd like to access your email or calendar on Windows/Android tablets or smartphone?
You should be able to install Outlook on your Windows tablet, which usually runs a regular version of Windows system on it (for Surface with Windows RT, it has Office RT pre-installed for free. This includes Outlook RT). Then you can use it just like the
desktop version.
For the Android tablet or smartphones, we have Outlook for Android app (or Microsoft Outlook Preview) available from the Google Play Store, you can install it on your device, then configure your mail account by going to tap Settings > Add Account. Or
you can access your email by using the built-in mail app.
However, some features might not be available on these apps, for example, when you set up an Exchange account on a smartphone, it opens your mailbox, not the shared mailbox.
Of course, you can access all your mail items via Outlook Web App on these devices.
Here is the reference you might need:
Install and set up Office on an Android tablet with Office 365
If this doesn't help, please try to be more specific on your questions, then we will have a further look.
Regards,
Ethan Hua
TechNet Community Support