@Bob Beasley Welcome to Microsoft Q&A Forum, Thank you for posting your query here!
The Azure.Storage.Blobs package, which is the recommended package for Azure Blob Storage, requires .NET Standard 2.0. Unfortunately, .NET Framework 4.5 does not support .NET Standard 2.0.
NuGet Gallery | Azure.Storage.Blobs 12.20.0-beta.1
You could consider using the Microsoft.Azure.Storage.Blob package, but please note that Microsoft encourages upgrading to the Azure.Storage.Blobs package. The Microsoft.Azure.Storage.Blob package might work with .NET Framework 4.5.1, but it officially supports .NET Framework 4.5.2.
NuGet Gallery | Microsoft.Azure.Storage.Blob 11.2.3
If upgrading your .NET Framework version is not an option, you might need to use the deprecated WindowsAzure.Storage package. However, please be aware that this package has been deprecated and may not receive further updates or bug fixes.
NuGet Gallery | WindowsAzure.Storage 9.3.3
Please let us know if you have any further queries. I’m happy to assist you further.
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