You can check user storage by login to the admin panel.


Refer below steps

1] Login to admin panel using postmaster account 

URL: domainname.mithiskyconnect.com

2] Select the user from middle pane

3] Scroll down the user details section in the right pane

4] In the storage section you will get the used storage of particular user.

Refer to the below image


For multiple user storage details, please check in skyconnect dashboard.

To access the Skyconnect Dashboard first login to the Admin Panel.
On the top right corner you can see Application manager and dashboard options.
Click on the Dashboard option to access the Skyconnect Dashboard.

image
 
You will get the below details in Skyconnect Dashboard>

1. Total Skyconnect Users
2. Month wise active user report
3. Login count [IMAP/POP/Baya]
4. Total domain storage
5. User storage and messages count
6. Account status

To check particular month data you have to just filter out the required field with the month.
It is possible to check any particular users data by searching with the username.
You can also export the required data using download arrow besides the category name.