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How to configure the LibreOffice MIME type with an Apache server?

If you encounter problems with the recognition of LibreOffice files by some browsers (such as trying to open a zip file for example), check the setting of "MIME types".

If the mime.types file (whose path is defined in your httpd.conf) does not already contain the vnd.oasis.opendocument definitions, it is not recommended to add them directly to this file (which could be overwritten in a future Apache update) but rather to the Apache httpd.conf configuration file.

This file is usually located in the directory:

• /etc/httpd/conf or /etc/apache/ on a Linux server
• [ProgramInstallation]\ apache\conf on a Windows PC

Add the following lines in the <IfModule mod_mime.c> section of the httpd.conf :

 # <add LibreOffice> - source: https://wiki.documentfoundation.org/Faq/General/036
 # Declaration of MIME types for documents in ODF format:
AddType application/vnd.oasis.opendocument.text .odt
AddType application/vnd.oasis.opendocument.text-template .ott
AddType application/vnd.oasis.opendocument.text-web .oth
AddType application/vnd.oasis.opendocument.text-master .odm
AddType application/vnd.oasis.opendocument.spreadsheet .ods
AddType application/vnd.oasis.opendocument.spreadsheet-template .ots
AddType application/vnd.oasis.opendocument.chart .odc
AddType application/vnd.oasis.opendocument.presentation .odp
AddType application/vnd.oasis.opendocument.presentation-template .otp
AddType application/vnd.oasis.opendocument.graphics .odg
AddType application/vnd.oasis.opendocument.graphics-template .otg
AddType application/vnd.oasis.opendocument.formula .odf
AddType application/vnd.oasis.opendocument.database .odb
AddType application/vnd.oasis.opendocument.image .odi
 # for managing extensions:
AddType application/vnd.openofficeorg.extension oxt
 # </Add LibreOffice>

Don't forget to relaunch the Apache server to make the changes active.