New (Ctrl+N): used to create a new file supporting by the app.
Open (Ctrl+O): used to open an existing file.

PageSetup: used to specify the dimensions of the printable page.
Print Preview (Ctrl+F2): used to check how print would be.
Print (Ctrl+P): used to start print

Select All (Ctrl+A): used to select entire content in the file.

Selected content can be moved, duplicate or delete.

Cut (Ctrl+X): used to move the selected content to another place.
Copy (Ctrl+C): used to duplicate the selected content to another place.

Paste (Ctrl+V): used to complete the cut, copy operations.

Delete (del/backspace)
del removes the character right to the cursor.
backspace removes the character left to the cursor.

Find (Ctrl+F): used to find a specified word or phrase in the document.
Replace (Ctrl+H): used to replace the found word with other text.
Undo (Ctrl+Z): Cancels the last action.
Redo (Ctrl+Y): reverse undo or repeat last action.

Save (Ctrl+S): used to save a new file with its identifications. It can also be used to save the modifications into already saved and re-opened file.

3 things to specified to save a file:
1. location
2. filename
3. format
Some of the important File Formats:
App Name File format
Notepad .txt
Wordpad .rtf
Ms-Word .docx (Version 2007 or later)
.doc(upto version 2003)
Ms-Excel .xlsx
.xls
Powerpoint .pptx
.ppt
Paint .bmp
Photoshop .psd

Lab Activity:
1. try to create, save and re-open files with different apps
2. try to check properties of saved file.
3. try to search for the saved file with search bar
Save As (Ctrl+Shift+S): used to save already existing file with another name, in another location with different format