Check mailbox size exchange online

Here are some popular email providers and their mailbox size limits:

Web-based Email Providers:

  1. Gmail (Google): 15 GB free, with the option to upgrade to 30 GB or more with a Google One subscription.
  2. Yahoo Mail: 1 TB (1,000 GB) free, with the option to upgrade to 2 TB or more with a Yahoo Premium subscription.
  3. Outlook.com (Microsoft): 5 GB free, with the option to upgrade to 50 GB or more with an Office 365 subscription.
  4. AOL Mail: 1 TB (1,000 GB) free.
  5. ProtonMail: 500 MB free, with the option to upgrade to 5 GB or more with a paid subscription.

Email Clients:

  1. Microsoft Outlook: 2 GB free, with the option to upgrade to 10 GB or more with an Office 365 subscription.
  2. Mozilla Thunderbird: No built-in storage limit, but can be limited by the email provider's server-side storage limits.
  3. Apple Mail: 2 GB free, with the option to upgrade to 10 GB or more with an iCloud storage subscription.

Business Email Providers:

  1. Microsoft Exchange: Varies depending on the plan and storage tier, but typically ranges from 5 GB to 100 GB or more per user.
  2. Google Workspace (formerly G Suite): 30 GB free per user, with the option to upgrade to 100 GB or more with a paid subscription.
  3. Zoho Workplace: 5 GB free per user, with the option to upgrade to 100 GB or more with a paid subscription.

Please note that these are general limits and may vary depending on your specific email provider, plan, or subscription. Additionally, some email providers may have additional storage limits for attachments, messages, or other types of data.