Password
Assigns a password to prevent users from making unauthorized changes.
The open password must be entered to open the file.
The permission password must be entered to edit the document.
Password
Type a password. A password is case sensitive.
Confirm
Re-enter the password.
Undoing password protection
To remove a password, open the document, then save without password.
PDF Passwords
Due to the limitations of the PDF file format, PDF passwords used to protect exported PDF files can contain only the following characters:
ASCII digits: from “0” to “9”
Uppercase Latin alphabet: from “A” to “Z”
Lowercase Latin alphabet: from “a” to “z”
ASCII punctuation and symbols:
|
Character |
Description |
|---|---|
|
|
Space |
|
! |
Exclamation mark |
|
" |
Quotation mark |
|
# |
Number sign |
|
$ |
Dollar sign |
|
% |
Percent sign |
|
& |
Ampersand |
|
' |
Apostrophe |
|
( |
Left parenthesis |
|
) |
Right parenthesis |
|
* |
Asterisk |
|
+ |
Plus sign |
|
, |
Comma |
|
- |
Hyphen-minus |
|
. |
Period |
|
/ |
Slash |
|
: |
Colon |
|
; |
Semicolon |
|
< |
Less-than sign |
|
= |
Equal sign |
|
> |
Greater-than sign |
|
? |
Question mark |
|
@ |
At sign |
|
[ |
Left Square Bracket |
|
\ |
Backslash |
|
] |
Right Square Bracket |
|
^ |
Circumflex accent |
|
_ |
Low line |
|
` |
Grave accent |
|
{ |
Left Curly Bracket |
|
| |
Vertical bar |
|
} |
Right Curly Bracket |
|
~ |
Tilde |