You can take any valid members from an application, such as an Excel spreadsheet, and paste them as new members in the corresponding dimension of another application. For example, suppose you have the following members in Excel for the Year dimension: Jan, Feb, Mar, Apr, May, Jun, July, Aug, Sep, Oct, Nov, Dec. You can copy those members to a grid that contains the Year dimension. If you paste members into a row or column that contains a secondary database connection, the type of database connection is carried over with the members.
To copy members between applications: