Deleting files in Windows 7 is not as easy as you think of. It doesn't mean they will disappear forever even you empty the dustbin after the deletion. It's very important to permanently delete files if you don't want anybody to view the files or you want to resell or donate the computer. You know that there are dozens of data recovery software programs to recover the deleted files. Anyway, don't worry. This article covers 4 parts, telling you all the information about how to wipe files in Windows 7 completely.
When you delete a file by right click the "Delete" option or drag it to the dustbin and empty the dustbin, the delete file still exist on your hard drive. Windows 7 will mark the space where the deleted file once occupied on the hard drive as "empty", prepare for storing new files. With a data recovery program, like iBeesoft Datta Recovery, will recover the deleted files easily if you haven't done any extra tasks. To solve the problem, you need a professional secure delete tools or ways for help.
Instead of simply marking a deleted file as "Deleted", waiting other data to overwritten the deleted file and occupy the space, secure deleted tools and ways will overwrite the space with other data, which is invisible as well, making it unrecoverable. It sounds complicated. However, with the sophisticated storage technology, ways and tools are developed. You can't make it manually.
To ensure that deleted files are safe from being recovered, Microsoft developed SDelete. It is a command line utility that allows you to delete one or multiple files, directories, and cleanse the free space on a logical disk. Following are the steps for how to use SDelete to delete files in Windows 7 permanently.
Step 1. Create a new folder on your hard disk to save the upcoming SDelete. Next, download SDelete and save it to the folder. Please remember the file path, because you will use it soon.
Step 2. Click Start menu at the bottom left, type in "cmd" Windows Search box and press Enter (Return). Next, type the file path of SDelete, where you have save it. For example, if it is located at C:\cmdtools, type cd C:\cmdtools, and press Enter.
Step 3. Please type SDelete, then the file path or directory where you want to delete the file or directly, and press Enter. For example, to delete C:\mysecuredata.txt, you would type SDelete c:\mysecuredata.txt, and press Enter.
Step 4. When the deletion is finished, you'll receive the confirmation that the files or directory is permanently deleted.
Besides using SDelete to permanently remove deleted files in Windows 7, you have other options, that is using a tool. Here I'd like to recommend you iBeesoft File Shredder. It is designed for people who know little about computer, command line or other techniques. From its main window, you can see how to delete files or folders permanently and efficiently. Here are the simple steps.
Step 1. Download iBeesoft File Shredder on your computer. Double-click the .exe installation file to install it on your computer. It's fully compatible with Windows 7.
Step 2. In the main window, click the big "+" to select files or folder you want to delete from Windows 7 permanently. And from there, you can select how many time the software to delete the files or folder. The default is 3 times.
Step 3. Navigation to the file path or directory to select files or folder to delete. Please note that files and folders are folded under directory. You need to click the "+" before each directory to unfold them.
Step 4. Letting the software do the rest for you. There will be a process bar, telling you whether it is finished or not.