Does Azure have low-cost cloud storage like the Amazon Glacier ?
No, Microsoft Azure does not offer a service equivalent to the Amazon glacier. The glacier is built on top of Amazon S3. The Amazon S3 equivalent is Microsoft Azure Blob Storage.
UPDATE - November 06, 2017
Microsoft Azure recently introduced a new access level called Archive TierAmazon Glacier (and another long-term cloud storage solution for archival purposes). You can learn more about this here: https://azure.microsoft.com/en-in/blog/announcing-the-public-preview-of-azure-archive-blob-storage-and-blob-level-tiering/ . I also wrote a blog post about the same that you can read here: https://gauravmantri.com/2017/10/15/understanding-azure-storage-blob-access-tiers/ .
Archive Tier
, Azure , "" . , . , , , ( ).
"" ~ 80% , .
Azure https://azure.microsoft.com/en-us/pricing/details/storage/blobs/ https://aws.amazon.com/glacier/pricing/