Most journal copyright policies permit the self-archiving of the accepted manuscript (or post-print). This is the final author version of a paper and we get many queries about identifying and obtaining this version. A new resource from Open Access Button promises to be helpful: Direct2AAM.
The guides, available for most major journals, provide easy to follow instructions for authors to obtain an Author Accepted Manuscript from their journal submission system, where the AAM is stored during the publishing process.
Access the resource here: https://openaccessbutton.org/direct2aam
At present the following publishers are covered: