I recently built an Outlook add-in. It archives emails and attachments to SharePoint, lets you attach cloud files while composing, the works. It ran great on desktop, great in Outlook on the web. Then I opened Outlook on my phone to test it there. The add-in was gone. Not broken. Not throwing …

Every time I sit down to build a SharePoint provisioning engine, I hit the same dilemma: do I put everything into one big PnP template, or do I split it into many smaller ones — one per feature? Both approaches work. Both have real trade-offs. And for a long time I did not have a strong opinion …

TL;DR News Link pages are beta-only, so you need the Microsoft.Graph.Beta NuGet package. For banner image uploads, you also need Microsoft.Kiota.Serialization.Multipart. The tricky part is that the multipart case has no official C# snippet — Microsoft’s documentation just says “Snippet …