It is the "Delete" key or the "Ctrl" key or the "D" key.
Pressing the "Delete" key on the selected file will put the file into the recycle bin. If you want to completely delete this file, hold down the "Shift" key and press the "Delete" key, and the file will be completely and permanently deleted.
Valid range:
System-level shortcut keys can respond globally, no matter where the current focus is or what program is running, they will work when pressed; application-level hotkeys can only It works in the currently active program. When the application hotkey definition program is inactive or running in the background, the hotkey is invalid;
Control-level hotkeys only work in the current control. effect. General system and application shortcut keys can be customized according to your own operating habits.
Extended information
1. You can use shortcut keys to open the smart tag menu
If you use smart tags with keyboard shortcuts, you can save a lot of time. When you type text that can be recognized and tagged by a smart tag, a small blue box (the smart tag indicator) will appear below the text. Using the arrow keys, you can move the cursor over the marked text and then press Alt Shift F10 to select the desired action from the action menu.
2. Easily display the functions of function keys
Everyone is most familiar with function keys than F1 (Help). So, if you want to view other function keys in word, just press It can be clearly displayed by doing the following. The method is to click "View → Toolbar" on the Word menu bar. If "Function Key Display" is displayed in the pop-up menu, check this item.
If not, select the "Customize" menu item. In the pop-up "Customize" dialog box, switch to the "Toolbar" tab. Check the "Function key display" checkbox in the drop-down list in this view, and click "OK" to exit. Afterwards, you will see the function display of F1~F10 at the bottom of the Word document view.
3. Shortcut keys to change the case of text
Select the case of text you want to change, just press Shift F3. Each time you press it, the text format will switch between all caps, first letter case, and all lower case.
4. Save multiple open files at once
If you know the "Secret" key, you can save or close all open documents at once. The operation method is: hold down the Shift key and click the File menu. Two options will appear in the File menu: Close All and Save All. Word will prompt you to save your changes before closing the document. The Close All command is in The same works in Excel.
Reference source: Baidu Encyclopedia-Shortcut Keys