How to prevent computer files from being lost?

Take myself as an example. There are four or five important documents.

Generally speaking, documents should be classified according to their needs.

For example, historical materials that are not often used, this is the simplest, just put the whole folder away.

Files that need to be kept confidential should be encrypted and processed as needed.

I store commonly used information directly in the computer and back it up regularly.

It's very important to make a directory with more information, because when you get older, your memory will get worse and worse, and you often forget where you put things. Sometimes you can find them through search, and some confidential things may be hidden from you. So I made a special directory, encrypted and saved it in my mobile phone, and of course I made a cloud backup.

It's easy to deal with after classification. It's nothing more than buying more hard disks, which is not expensive. Baidu Cloud also has two T's for free.

I have two commonly used computers, and some commonly used data are synchronized by nas. I used Qunhui. This thing can make people feel dependent. You can't live without it. For example, in the past, we had to look up information, and we had to find out which computer the information was on. I had to look at it temporarily, but I couldn't see it. With nas, the two computers are synchronized, which is very convenient to use. In addition to synchronization, you can also back up nas. In the past, accounting data such as utilities of property companies were always worried that they could not be found after the computer crashed. I made a cloud backup with nas.