The General Data Protection Regulation (GDPR) only permits personal data to be stored within the EU, unless:
You should always assess whether you really need to store your data abroad and if agreements with the supplier pennit you to do so. If data needs to be stored outside the EU, information sheets and consent forms should explain why this is necessitated.
Using a cloud service to store files has many advantages. You can access your files from any computer with an intemet connection and in case of a computer crash or theft, your files are not lost. Moreover, it is often possible to recover earlier versions of files and you can easily share files or folders with others. Usually, there is no physical limit on the required storage space as a pay-per-use model is often used. If you need more {or less) storage in a certain period, the pricing can be adjusted.
You can choose a cloud storage service such as Dropbox, Google Drive, OneDrive or Box. However, there are certain risks involved in using a public cloud storage service:
You could also consider securing your files by means of encryption. Data security is explained in a different lesson in this course.