Step 1: Login to your webmail account with roundcube interface.
Step 2: In order to back up (export) emails to your local computer, select the required email(s) and click on More icon in the bar above.
Step 3: In dropdown list select Download (.eml) option and specify the location to save the email(s).
Step 4: In order to import the emails using Roundcube webmail, click on Gear icon > choose Import messages.
Step 5: After this choose the back up file you wish to be imported and click Upload.
Step 6: Once done, you will get a notification the messages have been successfully imported.
