关于这个附加组件
Adds a checkbox column for quick selection of multiple emails.
To add the column to a mail folder, click on the columns icon on the top right of the mail list and select "Multiselect". The checkbox column will show up on the left. You can then drag the checkbox column to reorder.
To add the column to a mail folder, click on the columns icon on the top right of the mail list and select "Multiselect". The checkbox column will show up on the left. You can then drag the checkbox column to reorder.