.ednfile from Roam Research, visit your Roam graph and click on the three doc symbol ⋯ in the top bar, then Export All. Choose EDN from the Export Format dropdown, then click Export All.
.zipfile, which you need to open/extract the
.ednfile out of.
.ednfile on your system.
[[Roam Import]] [[DATE]] [[FILE.edn]], then nests all the imported content in that block.