Archives (also known as repositories) can provide a long-term home for your research data. The resources on this page are catalogues of data archives: you can search them to find the archive that meets your needs.
For more about places to preserve a copy of your data, within the University of Oxford and elsewhere, see the Options for preserving your data section of this site.
It may also be worth consulting colleagues in your field, to see if they're aware of archives that are commonly used within your area.
A registry of knowledgebases and repositories of data and other digital assets, covering all disciplines, with particular strength in the life sciences