Email verification links will expire 28 days from when the email is sent. Once the link has expired you'll need to follow the below steps to re-send the invitation to the user. 

Sending or re-sending a user invite is done the same way from the Admin area.

1. Click the Account Name > Admin.

2. By default, you'll be taken to the Users page in the User Management section.

3. You can find the user(s) you wish to invite by using the Filter options available.

4. Select the user you want to invite by ticking the checkbox next to their name, click the three dots icon and select Send/Resend Invitation from the drop-down.
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5. If you want to invite more than one user, select the checkboxes next to their names, click the Actions button and select Send/Resend Invitation from the drop-down.

The selected user(s) will receive an email containing a link for them to follow to verify their email address. After clicking the link, the user will set up a password to access their ExpenseIn account.