You can upload several versions of one document. The virtual network saves every version. Due to this function you can for instance overview how the documents changed and developed over time. You can also delete versions separately and permanently.

The platform offers the option, to upload new versions of your documents. To do this select the desired document and click the button edit this object in the context menu on the right.

Here you can select a new file under current version. Older versions are nevertheless saved in the virtual network. Hence no information will be lost.

To delete an older version, select the version you want to delete within the list below and click on the X next to it.

How to delete a complete document you get to know here.