This app comes with several import and export filters providing a partial support for such formats as HTML, Microsoft Word (.doc), Office Open XML (.docx), OpenDocument Text (.odt), Rich Text Format (.rtf), and text documents (.txt) A guide about how to use this app can be found at http://www.abisource.com/ DocsOpen is the app AbiWord that is run remotely. The subscription inside the app consists on the following: - The length of the subscription is 1 month - The price of the subscription is $0.99 - The subscription will be auto-renewed every month so that you can continue enjoying the app without ads. - Payment will be charged to iTunes Account at confirmation of purchase - Subscription automatically renews unless auto-renew is turned off at least 24-hours before the end of the current period - Account will be charged for renewal within 24-hours prior to the end of the current period, and identify the cost of the renewal - Subscriptions may be managed by the user and auto-renewal may be turned off by going to the user's Account Settings after purchase - No cancellation of the current subscription is allowed during active subscription period - The privacy policy and terms of use of our apps are in http://www.blackhawksystems.eu/website/policy_en.html