Do not use parentheses or slashes to create optional plurals. In most cases, you can use the plural form and be correct.
Preferred |
Discouraged |
You can administer mailboxes that are not part of a bulletin board for internal use. You can administer one or more mailboxes that are not part of a bulletin board for internal use. You can administer a mailbox or mailboxes that are not part of a bulletin board for internal use.
Note:
When you cannot use the plural form, one or more is the best alternative.
|
You can administer mailbox(es) that are not part of a bulletin board for internal use. |
A report can consist of one or more tables, one or more charts, or any combination of tables and charts. |
A report can consist of only (a) table/tables, only (a) chart/charts, or a combination of tables and charts. |
