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What is data backup?

Data backup is the process of creating copies of digital files so that they can be restored should something go wrong with the originals. You should back up any important files that would be difficult, expensive or impossible to replace, such as digital photographs or documents.

There are many potential causes of data loss, including hardware or software malfunctions, malware infections, and human error. It is therefore extremely important to have a backup. The two most effective ways to back up your data are:

  • Saving your files on the cloud
  • Copying your files onto an external memory device

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