The backup system may not be completely correct.

The file backup system does not guarantee data integrity, especially data errors caused by software problems, which cannot be identified by the backup system.

In recent years, my important data has been well preserved, and in the past few years, a terrible experience left me with all the bank account data. At that time, I was trying to overclock the hard disk. As a result, the hard disk burned out, and all my data could not be recovered.

Then I rummaged through the box and tried to find out whether the important data was backed up. The result disappointed me. This also changed some of my habits after the day. For example, I no longer store my account information into my computer. Instead, I recorded my account information on paper as before January 1, year 56 and stored it in my cabinet.

With that profound lesson, I will make sure that my current work data has a complete and easy-to-use backup data in another place, for example, create a folder on the company's file server and back up your work data every day. This means that my work data is backed up every day and stored on the company's tape.

Not long ago, I have never tested whether my system is secure and reliable. Recently, a corrupted shared Excel file gave me the opportunity to demonstrate the importance of the backup system. This Excel document is severely damaged, and even the Excel Repair Tool cannot be repaired. Therefore, I thought that as long as I restored the workbook from the backup folder. However, the actual situation tells me that there are still major problems in my simple backup system. I used Microsoft's SyncToy, which automatically performs synchronous backup every day. But in fact, this document has already happened before. So when I proposed this document from the backup data, it is still wrong. Although Excel can be automatically backed up when the table is closed, the backup is damaged.

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