- To change the mailbox layout, log in to Sibly Webmail using your email account credentials at: https://webmail.sibly.pro/
- Click the gear icon in the bottom-left corner of the page.

- Click "View". In the opened window, you will see three available layout options: "Columns", "Preview", and "List".
"Columns" displays the mailbox in three columns: folders on the left, incoming messages in the center, and the message content on the right.
"Preview" displays the mailbox in two columns: folders on the left, incoming messages in the upper-right section, and the message content in the lower-right section.
"List" displays the mailbox in two columns: folders on the left and incoming messages on the right. In this layout, the message content is opened in a separate window when you click on a message.

- After making your changes, click the blue "Save" button in the top-right corner of the window.