Yes, the Office accepts electronic filing via EPO Online Filing. Offline filings may be furnished on CD-R.
For the relevant notifications by the Office, refer to PCT Gazette No. 11/2005, pages 7068 et seq., and Official Notices (PCT Gazette) dated 27 September 2018, page 300 and 1 December 2022, page 322.
Where the international application is filed in electronic form in accordance with and to the extent provided for in Part 7 and Annex F of the Administrative Instructions, the total amount of the international filing fee is reduced (refer to “Fees payable to the receiving Office”).
Where the international application contains a sequence listing as a separate part of the description, this should be furnished in accordance with Annex C of the Administrative Instructions, that is, in compliance with WIPO Standard ST.26 XML format; no fees are due for sequence listings filed in this format. If the receiving Office does not accept international applications in electronic form in such format, the international application will be transmitted to the International Bureau as receiving Office (PCT Rule 19.4(a)(ii-bis)).