Comic book file types to the rescue! This requires a small amount of work: compressing, renaming, decompressing. But if you want to attach an unsupported file to your post, you can use this trick.
With the disclaimer that I'm brand new (2 day) to being a Substack content creator.
I tried your method and it doesn't work. Tried it earlier with an old Excel file (*.XLS) renamed to *.XLSX and it didn't work either. I suspect there is a file type verification before it accepts an upload. As a workaround, as others have mentioned, I use an existing Google Drive.
Comment: I don't see why Substack should get in the business of hosting files. There are already plenty of options for that and all that is required is a URL in the documents we create on Substack.
I had a strange, but workable, workaround. My Substack, _Tales of Penumaria_ is a D&D campaign setting worldbuilding blog, and every now and then I have a lot of material related to the topic of the article in question, with plenty of maps, tables, stat blocks, and what not. I can easily format what I need in Microsoft Word, and I even have a template for it. But how can I connect the PDF to the article and still have the article at a reasonable size?
My Answer: Export the PDFs to a space in my 1 TB OneDrive and link from there.
Might not be perfect, but it works the best for me at this moment, and I can always find a better way later.
Do you think SubStack will eventually give us a dedicated storage space for these attachments? What I mean is, what if I, for some reason, want to add the same attachment to a different post? As of right now, I don't know where these attached files live and so I would have to re-upload it from my computer - I think. But that means there are now two copies of the same file somewhere inside my SubStack account. It would be better to have some sort of directory, wouldn't it?
(The huge caveat here is that maybe there is some kind of storage framework and I just haven't found it yet!)
With the disclaimer that I'm brand new (2 day) to being a Substack content creator.
I tried your method and it doesn't work. Tried it earlier with an old Excel file (*.XLS) renamed to *.XLSX and it didn't work either. I suspect there is a file type verification before it accepts an upload. As a workaround, as others have mentioned, I use an existing Google Drive.
Comment: I don't see why Substack should get in the business of hosting files. There are already plenty of options for that and all that is required is a URL in the documents we create on Substack.
I had a strange, but workable, workaround. My Substack, _Tales of Penumaria_ is a D&D campaign setting worldbuilding blog, and every now and then I have a lot of material related to the topic of the article in question, with plenty of maps, tables, stat blocks, and what not. I can easily format what I need in Microsoft Word, and I even have a template for it. But how can I connect the PDF to the article and still have the article at a reasonable size?
My Answer: Export the PDFs to a space in my 1 TB OneDrive and link from there.
Might not be perfect, but it works the best for me at this moment, and I can always find a better way later.
Do you think SubStack will eventually give us a dedicated storage space for these attachments? What I mean is, what if I, for some reason, want to add the same attachment to a different post? As of right now, I don't know where these attached files live and so I would have to re-upload it from my computer - I think. But that means there are now two copies of the same file somewhere inside my SubStack account. It would be better to have some sort of directory, wouldn't it?
(The huge caveat here is that maybe there is some kind of storage framework and I just haven't found it yet!)