Java Start Parameters

You can use this dialogue to enter optional start parameters for the Java runtime environment (JRE). The settings that you specify in this dialogue are valid for any JRE that you start.

To access this command...

Choose - LibreOffice - Advanced.

Java Start parameter

Enter a start parameter for a JRE as you would on a command line. Click Assign to add the parameter to the list of available start parameters.

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Do not use escape characters or quotes in path names.

For example, to point the system property "myprop" to a folder, enter the following parameter:

-Dmyprop=c:\program files\java

To enable debugging in a JRE, enter the following parameters:



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These changes take effect after you restart LibreOffice.

Assigned start parameters

Lists the assigned JRE start parameters. To remove a start parameter, select the parameter, and then click Remove.


Adds the current JRE start parameter to the list.


Opens a dialog where the selected JRE start parameter can be edited.


Deletes the selected JRE start parameter.

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