Miscellaneous - Sizers and Calculators

The three most popular Common Veeam Backup & Replication (VBR) Calculators...

Number 1: The Veeam Size Estimater (from veeam.com)

Number 2: The Veeam Backup Capacity Calculator (from veeam.com)

Number 3: The Veeam Size Estimation Tool - From the Veeam Architects Site

IMPORTANT note on "Change Rates": In 35% of environments the daily change rate is 3% or less. In 50% of environments the change rate is 5% or less. In 70% of environments the change rate is 10% or less. In 90% of environments the change rate is 20% or less.


*Click Here* for additional Veeam Backup and Replication (VBR) Calculators

Veeam Backup for Office 365 (VBM) Calculators...

To provide an estimate for storage usage in a Veeam Backup for Microsoft 365 deployment, we need the following data – 

Exchange –

OneDrive – 

SharePoint – 

Teams –

Retention Policy information is also required to estimate sizing, but please note that retention can be different between services.  (e.g. Exchange retained for 3 years, OneDrive for 2 years, SharePoint for 1 year, etc.)

Please follow these steps to retrieve the information.  You have the option to either extract the data from the reports, or if you are comfortable, provide them to your Veeam team for assistance. We will be using our public Veeam Calculator to provide sizing estimates.  This can be accessed at https://calculator.veeam.com/vb365 


Exchange – 

OneDrive – 

SharePoint –

Teams – 

Office 365 Mailbox Size Report with PowerShell

Miscellaneous Cloud Calculators...

**all pricing below is reflective of Jan 2022 pricing on a 1-year reserved 1TB capacity**

Forums: Wasabi vs Backblaze B2 vs iDrive E2 - June 29, 2022 

*Click Here* for additional Cloud Calculators

*Click Here* "Roughly how much would 100TB of cloud object storage cost per month?"

NOTE: PLEASE CONTACT YOUR CLOUD PROVIDER FOR FORMAL PRICING INFORMATION. The following details are derived from publicly accessible calculators.

Amazon Web Services...

Microsoft Azure...

Google Cloud Platform...


Linode (Note: 50TB)...

Consider the following to reduce API costs...

…………restore requests are made largely from the PERFORMANCE TIER unless the requests are for much older data. This reduces the API costs significantly.

*Contact your cloud provider for official pricing!"