(registered 2020-10-19, last updated 2020-10-19) Name: Michael Borcherds Email: michael&geogebra.org Media type name: application Media subtype name: vnd.geogebra.slides Required parameters: none Optional parameters: none Encoding considerations: binary Security considerations: There has been no examination of possible security risks associated with GeoGebra files. Interoperability considerations: This file format is cross-platform. Files are encoded in UTF-8 and compressed using zip. Published specification: https://wiki.geogebra.org/en/Reference:XML vnd.geogebra.slides is a container format and may contains other files such as PNG/SVG/XML/vnd.geogebra.file Applications which use this media: GeoGebra Notes https://www.geogebra.org/notes Fragment identifier considerations: n/a Restrictions on usage: n/a Additional information: 1. Deprecated alias names for this type: n/a 2. Magic number(s): n/a 3. File extension(s): .ggs 4. Macintosh file type code: n/a 5. Object Identifiers: n/a General Comments: https://www.iana.org/assignments/media-types/application/vnd.geogebra.file is one of the filetypes that can be contained (together with XML/SVG/PNG etc) Person to contact for further information: 1. Name: Michael Borcherds 2. Email: office&geogebra.org Intended usage: Common This mime type shall be used to identify files for the multi-platform GeoGebra Notes whiteboard software. Author/Change controller: Dr. Markus Hohenwarter (markus&geogebra.org)