Open the Bid Postings module, you will see your categories listed here. Subscriptions are based on the category and each one will have its own subscriber list, which can be accessed through the choose an action menu to the right of the category name under subscribers.
Once you get to the subscriber list for the selected category choose the import subscriptions button. A new window will appear that has details about the formatting rules and instructions for uploading the new subscribers. Once you have your information formatted in a .txt or .csv file use the browse button to select and import those users.
Note: Importing subscribers will send a confirmation out to those being imported and they will not show in the list until they confirm. There is an option to bypass this via a prompt, if this option is not showing for you please contact us.