Microsoft 365 is the most widely used office platform in Polish companies — and the one whose potential is used the least. In this article we cover the practical aspects of Exchange Online — limits worth knowing so you can extract far more value from the licence you are already paying for.
Don't get caught out by Exchange Online limits.
Mailbox size
This section frames the topic "Mailbox size" in the context of Exchange Online — limits worth knowing. We approach it from the business side — what concrete value or risk it brings to the company.
What you gain
- Higher team productivity without buying additional tools.
- Central management of accounts, permissions and devices.
- Built-in security (MFA, Conditional Access, DLP) included in the Premium licence.
Most common mistakes
- Assuming Microsoft backs up your data (it does not — that is on you).
- SharePoint file chaos without agreed structure and permission rules.
- Buying extra tools whose features are already in Business Premium.
Send limits
This section frames the topic "Send limits" in the context of Exchange Online — limits worth knowing. We approach it from the business side — what concrete value or risk it brings to the company.
What you gain
- Higher team productivity without buying additional tools.
- Central management of accounts, permissions and devices.
- Built-in security (MFA, Conditional Access, DLP) included in the Premium licence.
Most common mistakes
- Assuming Microsoft backs up your data (it does not — that is on you).
- SharePoint file chaos without agreed structure and permission rules.
- Buying extra tools whose features are already in Business Premium.
Archive
This section frames the topic "Archive" in the context of Exchange Online — limits worth knowing. We approach it from the business side — what concrete value or risk it brings to the company.
What you gain
- Higher team productivity without buying additional tools.
- Central management of accounts, permissions and devices.
- Built-in security (MFA, Conditional Access, DLP) included in the Premium licence.
Most common mistakes
- Assuming Microsoft backs up your data (it does not — that is on you).
- SharePoint file chaos without agreed structure and permission rules.
- Buying extra tools whose features are already in Business Premium.
Retention
This section frames the topic "Retention" in the context of Exchange Online — limits worth knowing. We approach it from the business side — what concrete value or risk it brings to the company.
What you gain
- Higher team productivity without buying additional tools.
- Central management of accounts, permissions and devices.
- Built-in security (MFA, Conditional Access, DLP) included in the Premium licence.
Most common mistakes
- Assuming Microsoft backs up your data (it does not — that is on you).
- SharePoint file chaos without agreed structure and permission rules.
- Buying extra tools whose features are already in Business Premium.
Key takeaways
- Higher team productivity without buying additional tools.
- Assuming Microsoft backs up your data (it does not — that is on you).
- Treat the topic of "Exchange Online — limits worth knowing" as a project, not a one-off purchase — the best results come from a step-by-step approach.
Frequently asked questions
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