The Archive tier is an offline tier for storing blob data that is rarely accessed. The Archive tier offers the lowest storage costs, but higher data retrieval costs and latency compared to the online tiers (Hot and Cool). Data must remain in the Archive tier for at least 180 days or be subject to an early deletion charge.
So you can explore the Archive Tier - A blob in the Archive tier is offline. That is, it cannot be read or modified until it is rehydrated. The rehydration process can take several hours and has associated costs. Before you move data to the Archive tier, consider whether taking blob data offline may affect your workflows. Follow this link for more details on this and pricing too.archive-blob
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