--- title: OnlyOffice --- ## What is OnlyOffice From https://en.wikipedia.org/wiki/OnlyOffice :::note OnlyOffice, stylized as ONLYOFFICE, is a free software office suite developed by Ascensio System SIA, a company headquartered in Riga, Latvia. It features online document editors, platform for document management, corporate communication, mail and project management tools ::: :::note This is based on authentik 2021.10.4 and OnlyOffice 11.5.4.1582. Instructions may differ between versions. ::: ## Preparation The following placeholders will be used: - `authentik.company` is the FQDN of authentik. - `onlyoffice.company` is the FQDN of the OnlyOffice instance. Open your OnlyOffice instance, navigate to the settings by clicking the cog-icon in the navbar, then click on _Control Panel_ on the sidebar. In the new tab, click on _SSO_ in the sidebar. Click the _Enable Single Sign-on Authentication_ checkbox to enable SSO. Scroll down to _ONLYOFFICE SP Metadata_, and copy the _SP Entity ID (link to metadata XML)_ URL. Open this URL in a new tab, and download the XML file. ## authentik Setup Create an application in authentik, and create a SAML Provider by using _SAML Provider from Metadata_. Give the provider a name, and upload the XML file you've downloaded in the previous step. Edit the resulting Provider, and ensure _Signing Certificate_ is set to any certificate. Navigate on the _Metadata_ tab on the Provider page, and click _Copy download URL_. ## OnlyOffice Setup Navigate back to your OnlyOffice Control panel, and paste the URL into _Load metadata from XML to fill the required fields automatically_, and click the upload button next to the input field. Under _Attribute Mapping_, set the following values - _First Name_: `http://schemas.xmlsoap.org/ws/2005/05/identity/claims/name` - _Last Name_: `http://schemas.xmlsoap.org/ws/2005/05/identity/claims/name` - _Email_: `http://schemas.xmlsoap.org/ws/2005/05/identity/claims/emailaddress` Click save and a new SSO button will appear on the OnlyOffice login page.