Method, device and system for archiving electronic files and electronic equipment

The invention relates to the technical field of data processing, and discloses a method for archiving an electronic file, which comprises the following steps: determining a to-be-archived target electronic file in which metadata in the to-be-archived electronic file cannot be matched with an existing metadata item; newly creating a metadata item according to metadata of the to-be-archived target electronic file; determining a target handover address corresponding to the capture address of the to-be-archived target electronic file; and pre-archiving the to-be-archived electronic file of which the metadata is matched with the new metadata item in the to-be-archived electronic file to a target handover address. The method comprises the following steps: creating a new metadata item by utilizing metadata of a to-be-archived target electronic file, automatically expanding the existing metadata item, and pre-archiving the to-be-archived electronic file of which the metadata is matched with the new metadata item in t