Welcome to LINE WORKS Guide Learn how to use LINE WORKS. Search for: Search Welcome to LINE WORKS Guide Learn how to use LINE WORKS. Search for: Search Message Home Calendar Task Form Contacts Mail Drive Admin Using Group for group-based communication Create a GroupAnyone can create a group for better communication and collaboration within project-based groups or clubs. Group Message RoomGroup Message Rooms provide Note, Event, Folder features in addition to Message. Recall a message In case you have sent a message to a wrong message room, use the ‘recall’ feature. Change your profile photo Change your profile photo to a new one. Track email with read receipts After sending an email, you can check whether the recipients have read the email. App download Download the mobile app for iOS or Android.