If you want to export your contacts into a CSV file, it's very easy to do.
- Navigate to the Contacts tab
- Select the Checkbox on the top left-hand side of the page
- You will see the teal bar across the top of the page
- Click Select All or Select a Specific Number based on your needs
- Select the Actions dropdown and then Export Contacts
- In the pop-up window, click Export Contacts to begin the download
- Your file will be downloaded as a CSV

This type of Export will include:
- First and Last Name
- Position Title
- Website
- Account Company ID
- Contact ID
- Phone Number & Type
- Email Address & Type
- Physical Address & Type
- Company
- Custom Fields
- Contact Status
- Assigned Sales Rep
- Opt-In Status
- Lead Source
- Temperature
- Created Date
- Tags
This Export will NOT include:
- Contact Time Zone
- Notes
- Campaigns
- Deals
- Purchases
- Tasks
- Events
For a FULL database back-up, see this article.