Editing Very Large Documents

For editing very large documents (file size up to 300 MB), a special memory optimization is implemented on loading such a file so that the total memory allocated for the application is not exceeded. The minimum file size that enables this large file optimization can be configured with the option Optimize loading in the Text edit mode for files over (MB) available from menu Options > Preferences > Editor > Open/Save.

A temporary buffer file is created on disk so you have to make sure that the available free disk space is at least double the size of the large file that you want to edit. For example Oxygen XML Author can load a 200-MB file using a minimum memory setting of 512 MB and at least 400-MB free disk space.

The increase of the maximum size of editable files comes with the following restrictions: