Yes:
From 6.1.0 CE version on, Seafile support viewing/editing doc, ppt, xls files via LibreOffice
Add this setting to view/edit doc, ppt, xls files
OFFICE_SERVER_TYPE = ‘CollaboraOffice’
Enable LibreOffice Online
ENABLE_OFFICE_WEB_APP = True
Url of LibreOffice Online’s discovery page
The discovery page tells Seafile how to interact with LibreOffice Online when view file online
You should change https://collabora-online.seafile.com/hosting/discovery to your actual LibreOffice Online server address
OFFICE_WEB_APP_BASE_URL = ‘https://seacloud.no-ip.info/hosting/discovery’
Expiration of WOPI access token
WOPI access token is a string used by Seafile to determine the file’s
identity and permissions when use LibreOffice Online view it online
And for security reason, this token should expire after a set time period
WOPI_ACCESS_TOKEN_EXPIRATION = 30 * 60 # seconds
List of file formats that you want to view through LibreOffice Online
You can change this value according to your preferences
And of course you should make sure your LibreOffice Online supports to preview
the files with the specified extensions
OFFICE_WEB_APP_FILE_EXTENSION = (‘ods’, ‘xls’, ‘xlsb’, ‘xlsm’, ‘xlsx’,‘ppsx’, ‘ppt’, ‘pptm’, ‘pptx’, ‘doc’, ‘docm’, ‘docx’, ‘odt’)
Enable edit files through LibreOffice Online
ENABLE_OFFICE_WEB_APP_EDIT = True
types of files should be editable through LibreOffice Online
OFFICE_WEB_APP_EDIT_FILE_EXTENSION = (‘ods’, ‘xls’, ‘xlsb’, ‘xlsm’, ‘xlsx’,‘ppsx’, ‘ppt’, ‘pptm’, ‘pptx’, ‘doc’, ‘docm’, ‘docx’, ‘odt’)
Have restarted everything. Will restart the virtual machine again though.