--- 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.