You can change the following preferences on the
General >
Editors preference page:
| Option | Description | Default |
|---|---|---|
| Size of recently opened files list | Each file that is opened in an editor is stored in a list of recently used files in the File menu. This option controls the number of files that is displayed in that list. | 20 |
| Allow in-place system editors | Specifies whether or not the workbench may open system editors of OLE applications on Windows in-place. | On |
| Restore editor state at startup | Specifies whether or not the workbench should restore the state of open editors on startup. | On |
| Promp to save on close even if still open elsewhere | Specifies whether or not the workbench prompts for saving when a dirty editor or view is closed, but the same is still open in other parts | On |
| Close editors automatically | Specifies whether or not the workbench should automatically close editors when a given number of editors is reached. | On |
| Number of open editors before closing | If Close editors automatically is turned On this specifies the number of editor that are kept open for automatically closing editors. | 99 |