How storage tiering enables long term email data retention at 60% reduced costs

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Rapidly growing email storage space needs Data Management and not more Storage

How storage tiering enables long-term email data retention at 60% reduced costs.

Why is long-term data retention such a big challenge?

Here are some global statistics about the humongous growth of email data:

80% of all global data will be unstructured by 2022 (Gartner). 

70% of this unstructured data is email (Most global estimates), and

60% of emails carry business-critical data (IDC).

In actual numbers,

  • an average user’s mailbox grows by 4GB every year, and
  • each business user sends and receives a total of 160 emails a day (as of 2022. Source: Earthweb)

This is BIG data and a big problem too for any long-term data retention strategy.

Managing this high Volume, Velocity, and Variety of emails is challenging for an organization.

How do you cope with this as email boxes grow to their maximum limits on MS 365, MS Exchange, Google Workspace, or other email solutions?

Traditional responses to growing/filling mailboxes can be unproductive

Traditional email preservation methods create fragmentation and make it challenging to locate information on-demand besides the management headaches and escalating costs. 

Most cloud email services provide sufficiently large mailboxes suitable to start with but soon fill up.

To counteract this storage overflow, you may need to either purchase a higher plan with additional storage or clean up individual email stores – a task that can take away many productive hours.

Besides being Risky, Costly, and Clunky 

Besides the loss of user productivity, there are other business impacts from email storage getting full:

Performance Degradation

Growing mailboxes may overload the email apps and slow down their performance.

Cost Implications

Mailboxes approaching their limits need more resources, either as expensive plan upgrades or the purchase of additional storage.

Data & Compliance Risks

To keep within quota limits, users typically download and delete data to create space in their mailboxes, increasing risks for the organization in maintaining a complete record of exchanging information over email.

Hard to Locate information

Unless the organization has subscribed to an Archival service, the lack of a centralized store makes it very challenging to locate old emails when required as a reference or evidence during an audit, investigation, or litigation.

Related: Why Archive email

Storage tiering is a scalable solution for long term email data retention

How storage tiering enables long term email data retention at 60% reduced costs

Step 1: Capture a copy of all new emails in Vaultastic

Configure journaling from your mail system to ensure a copy of every email sent/received is automatically captured in tamper-proof vaults on Vaultastic. Learn more about how to configure journaling.

Step 2: Migrate historical data from live mailboxes to Vaultastic.

Migrate old data from the users’ mailboxes to Vaultastic using the Legacyflo app. Learn more.

Step 3: Reduce Email Storage using a retention/truncation policy on the live mailbox

Now that a copy of all old and new emails is available in Vaultastic, you can now apply a retention policy on the live mailbox to keep it small. E.g., delete mail older than six months to restrict the growth of the live mailboxes.

Remember, it costs more to store the email data on live mailboxes than in an archival store like Vaultastic, which works hard to optimize storage costs across the entire data life cycle.  

Microsoft 365
Microsoft Onedrive
Google Workspace

Vaultastic - centralized, and agile information archival

Providing protection, visibility, and agility for business-critical data to ensure business continuity and manage compliance and change


Step 4: Access on demand

The users (and supervisors) can now access recent emails via the live mailboxes and all older emails from the Vaultastic Ediscovery console, quickly locating specific pieces of information and documents buried anywhere in the email store. Learn more about the ediscovery app.

Step 5: Further optimize costs by moving infrequently used and aging data to the Open Store

Leverage one more level of storage tiering with Vaultastic’s two stores, viz. the active store for frequently used recent email that is search ready and the Open Store for infrequently used aging data. 

You can configure the automatic movement of aging data from the active to the Open Store. Learn more.


Benefits of storage tiering go beyond long-term data retention

Uniform Performance
Uniform Performance
With a consistently maintained lean live mailbox; your users will experience a consistent mail application performance.

Compliance Ready
Compliance Ready A central store of email data enables you to respond to any data access request quickly and accurately.

Pay per use
Save 30-45% By using tiered storage to maintain a lean live mailbox and leveraging powerful cost optimization strategies of Vaultastic; you optimize up to 60% costs.

Peace of Mind
 A central cloud repository of your email protected with a robust shared security model ensures that your data is safe, immutable and fully secured against any kind of threats.

Conclusion – storage tiering enables long-term email data retention at 60% reduced costs

Using the storage tiering strategy, you benefit from a lean live mailbox, which ensures a consistent mail system performance and prevents cost escalation on your mail solution regarding plan upgrades or additional storage. 

In addition, the central, immutable repository, now created on Vaultastic, minimizes data-related risks and makes it easy to discover data of any period on-demand.

By including the storage tiering internal to Vaultastic with your strategy, you can further compress costs to achieve up to 60% cost optimization for long-term data retention of email.


Explore Vaultastic.

Email Preservation and Extraction

How Cashpor Micro Credit increased their mail service performance with cloud email archival


About Vaultastic

Vaultastic’s groundbreaking information protection and data lifecycle management platform offers centralized archival & supervisory controls, quick discovery, and data activation for easing compliance management.

The key feature is its on-demand data management service, automatic storage management, atomized discovery, and activation, delivering cost savings of up to 60 percent over other methods.
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