My storage is full, what can I do about it?

As the storage is shared between Mailbox, Archive and Backup, you could cleanup emails from either the mailbox or the archive or backup. If all these emails are important to be retained, ask your administrator to add more storage to the account by purchasing add-on storage.

When the storage is full, the administrator might want to clear some of the archived emails. In order to free up some storage space, one can choose ‘Export and Delete’ option under Investigations > Search or Holds. 

Export & Delete will permanently and irrevocably remove the data from eDiscovery portal. This action will delete even mails which are on hold or whose retention period is not yet expired, hence this option needs to be used with caution. However, we strongly recommend maintaining proper retention rules, that suite the long term needs of your organization, as new mails keep on flowing into the archive.

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• Can I buy additional storage capacity?

  Yes, administrator can buy additional add-on storage units, for the organization and assign it to any user in the organization, in addition to the storage available in the base plan. To know more, click here.

• How will enabling retention affect the storage?

  Generally, the user's allotted storage capacity is shared by the User's mailbox + eDiscovery + Backup. For instance, a user is allotted an overall storage of 100 GB. This storage can be used for any Zoho Mail feature that requires data to be stored. ...

• How do I allocate the purchased storage to my organization users?

  The Super Admin can allocate the purchased storage to the respective users from the Control Panel. Login to mailadmin.zoho.com, and go to the Mail Storage section. Across the relevant user, click the Edit icon in the Additional storage section, and ...

• How do I purchase additional storage for my Zoho Mail account?

  Organization Users - The Super Administrator will be able to purchase additional storage for the organization and allocate it to specific users. Login to mail.zoho.com as the Super Admin, and click the Subscription link on the top of your mailbox. ...

• When will the retained email be purged from the eDiscovery storage?

  Mails are retained according to the Default retention policy or the Custom retention policy defined by the administrator. Mails older than the set retention period are considered as expired emails and are purged from storage once every 10 days. ...