application/vnd.google-apps.unknown

application/vnd.google-apps.unknown

[1] Supported MIME Types   |   Drive REST API   |   Google Developers ( 版) <https://developers.google.com/drive/web/mime-types>

application/vnd.google-apps.audio

application/vnd.google-apps.document Google Docs

application/vnd.google-apps.drawing Google Drawing

application/vnd.google-apps.file Google Drive file

application/vnd.google-apps.folder Google Drive folder

application/vnd.google-apps.form Google Forms

application/vnd.google-apps.fusiontable Google Fusion Tables

application/vnd.google-apps.photo

application/vnd.google-apps.presentation Google Slides

application/vnd.google-apps.script Google Apps Scripts

application/vnd.google-apps.sites Google Sites

application/vnd.google-apps.spreadsheet Google Sheets

application/vnd.google-apps.unknown

application/vnd.google-apps.video