Data Portability and the Right of Access: GDPR Rights Compared

The General Data Protection Regulation (GDPR) provides individuals with several rights regarding their personal data. Two of the most important — but often confused — rights are:

Below is a comparison and contrast of these two rights, including practical examples of when each is best used.

About the Author
Michael has many years’ experience supporting, developing and improving effective data protection and GDPR compliance systems. He has worked in this field in the public, private and charity sectors including at Board level. This experience has made him the ideal lead trainer for WuDo Solutions’ five-star rated GDPR training course.

Overview of Each Right

 

Right of Access (Article 15)

This gives individuals the right to:

  • Obtain confirmation of whether their personal data is being processed.

  • Access the data itself.

  • Receive supplementary information (e.g., purposes of processing, categories of data, recipients, retention periods, etc.).

Exercising the right of access is also known as making a subject access request. You can read more about how to handle subject access requests here.

 

Right to Data Portability (Article 20)

This gives individuals the right to:

  • Receive their personal data in a structured, commonly used, machine-readable format.

  • Transmit that data to another controller, or have it transmitted on their behalf

  • this right only applies where processing is based on consent or a contract and carried out by automated means.

 

Key Differences

Feature

Right of Access

Right to Data Portability

Purpose

Transparency; helps verify what personal data is being processed and what that processing is for.

Enables the reuse of personal data across services.

Format of Data

Typically human-readable (e.g., PDF, printout).

Machine-readable (e.g., CSV, JSON, XML).

Legal Basis Required

Applies regardless of legal basis.

Only applies when processing is based on consent or contract, and done by automated means.

Transfer to Third Parties

No obligation to facilitate data transfer.

Includes the right to have data transferred directly to another controller (where technically feasible).

Scope of Data

Broad — includes all personal data, metadata, and processing details.

Narrower — only includes personal data provided by the individual.

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Practical Examples

 

When to Use the Right of Access

 

Example 1: Employment Record Request An employee wants to see what HR records, emails, and performance evaluations their employer holds on them.

  • Best suited for the right of access, as the individual wants to view all types of personal data being processed.

  • It can help to provide a complete and accurate picture of the use of personal data if there is a dispute or complaint between employer and employee

Example 2: Marketing Concerns A customer receives unwanted marketing emails and wants to check what data the company holds and how it obtained it.

  • The access request helps uncover data sources and purposes of processing.

  • It can help inform any further use of GDPR rights such as the right to restrict processing.

 

When to Use the Right to Data Portability

 

Example 1: Switching Banks or Utilities A customer wants to move their account history and billing information from one energy provider to another.

  • Portability allows the transfer of their usage and billing data directly to the new provider in a structured format.

  • Many organisations in the financial industry now offer data portability as a part of their services as standard

Example 2: Moving Fitness Data A user wants to move their step counts, heart rate data, and workout logs from one health tracking app to another.

  • Since the data was provided via a contract or consent and processed automatically, portability applies.

  • It means the individual can maintain their fitness history without any gaps or interruptions

Summary Table

Aspect

Right of Access

Right to Data Portability

Purpose

Understand and verify data usage

Transfer data to another service

Scope

All personal data

Data provided by the user

Format

Human-readable

Machine-readable

Legal basis

Any

Consent or contract only

Automation requirement

No

Yes

Third-party transmission

Not required

Must be facilitated if feasible

Limits

Things may be redacted or not released if they contain the data of other people

Only applies to data under certain legal bases only and will not include narrative or long form data.

 

Conclusion

 

  • Use the Right of Access to get a comprehensive view of what data is held and how it’s being used.

  • Use the Right to Data Portability when you want to reuse your data elsewhere, such as switching digital services.

Both rights promote transparency and individual control, but serve different purposes within the GDPR framework.

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