Security tips for File compression packs

1, how to set the permanent universal WinRAR compression password

If the production of encrypted compression package is very frequent, and all are using the same common password, then completely can let WinRAR from the dynamic add password, in your production of compression package, the default password also automatically added in, very convenient. To do this: open WinRAR, select the "Options → settings" command, in the Settings window that pops up, select the Compress Options tab, click the Create Default Configuration button, select the Advanced tab in the Set Default compression Options window that pops up, click the Set Password button, and finally in the password setting To enter your favorite password, press OK to save the settings continuously.

2. Edit the files in the compressed package note

When editing a file in a compressed package, do not close the compressed Package window, or you cannot save changes to the file. Also, if you double-click to open another RAR compressed package, WinRAR also automatically closes the compressed package you are modifying the file, so it is recommended to press the "Ctrl+s" key in the WinRAR window and cancel the "Reuse existing Windows" check box under the General tab.

3, hide the file name in the compressed package

Almost all compression software provides encryption to protect personal privacy and important data. But most of them ignore the encryption of file names. Once people are interested in your data, data security becomes precarious. Therefore, it is best to include the file name in the encryption range. If you do not know what is stored in the package, who will be time-consuming and laborious to crack it? WinRAR can encrypt the file name of the RAR file. The steps are as follows: First, click the "Add" button on the main interface of the WinRAR, create a new compression package, then select the File tab on the pop-up window and choose the file to add to the package, then switch to the Advanced tab and click Set Password button, enter the password. Be aware that you must select the "Encrypt file name" option before you click "OK" to enable file name encryption.

4, Lock compressed file security

When the file is deleted in the RAR compressed package, the WinRAR automatically updates it, and the deleted files are never retrieved. Therefore, for compressed packages that do not need to be modified or more important, in WinRAR, click to select this package, press the Alt+i key combination, in the Open Information dialog window of this compression, click to switch to the Options tab, confirm the "Disable the Modify compressed file" checkbox in the "Lock Compressed Files" Sample check box is selected, Click the OK button. The compressed package is locked so that the file cannot be modified or deleted. Note: The above actions are only for RAR compressed files, and after the lock compression file feature is enabled, the resulting compressed package will no longer be modified, which is useful for backing up important data.

5, advance knowledge of file compression size

Want to know how large the file to compress will be after compression? Please open the WinRAR window, select the folder or file that you want to compress, and then click the Info button on the toolbar, and in the Open window, click the Estimate button in the estimated compression rate function bar, and WinRAR will give you data such as compression rate, packet size, and compression estimate time. This is useful for compressing larger files or folders. You can also select the Auto start option if you want to automatically evaluate the file each time you click the Info button, WinRAR.

6. Add comments to the compressed package

Use a lot of compressed files, a long time will not know what files, not to mention what the file has, if the compressed file to write a few comments, later opened to see what it is the role of the WinRAR in the provision of such functions. The specific method is: first with WinRAR open the corresponding RAR file, and then click on the Toolbar "note" button, in the Comment window to enter their own comments can be (support Chinese input). Next time you want to add or view, click the "Comment" button on the toolbar again. When you open this file later, its comment information will appear on the right side of the window, at a glance!