You can forward multiple emails at one time from your Web browser with Gmail. Though the feature is not easy to find, you can forward multiple messages to a recipient from the Filter dialog box. First, create a filter in the Filter dialog box that captures all messages to forward, then specify the email account for the recipient. You can create and store up to 20 filters in your Gmail account. Filters are saved in your account until you delete them.
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Log in to your Gmail account. Click the down arrow in the Search box to open the Filter dialog box. You can also click the “More” option, then click “Create Filter” to open the dialog box.
Type a search criterion for the filter in any field. For example, type the email address of the sender in the From: field to filter emails from a specific sender. Click the “Search" icon. The filtered results display. Repeat to obtain the desired results, if needed. Once you obtain the results you want with the filter, proceed to the next step to save the filter.
Click the “Create Filter with This Search” link to save the filter. The Filter Options dialog box opens.
Click the “Add Forwarding Address" link, then click the “Add a Forwarding Address" button. Type the email address of the recipient, then click the “Forward It” check box.
Click the “Also Apply Filter to X Messages” where “X” is the number of messages displayed by the filter.
Click “Create Filter” icon. The selected messages are forwarded to the recipient.