Cathy,
Did posts (photos and files) to the forum page not via email migrate
to Groups.io ...
That depends. Does "migrate" mean that you (or someone owning/modding that group) used the Easy Yahoo Groups Transfer mechanism? If so, they did, unless the person running the transfer deselected them in the transfer controls.
Unless by "not long ago" you mean it is process now, I'm curious why you need to ask. Is there some reason you can't tell by looking at the content in the group here?
or should I perform the download yahoo is offering to preserve our
history?
That, or PG Offline. For $25 it is cheap insurance:
Personally I've had zero luck with the offered download from Yahoo. My first two attempts both yielded a notice that there was zero content this for an account which has been active in multiple groups since 2003. An attempt under a different Yahoo Account is still pending.
Others have reported receiving a link to an archive containing all of their groups' content. So your mileage may vary.
I won't worry much about the Yahoo download, as I have what I want via PG Offline. Still, it is annoying not to see what others see.
Shal
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