Word, as well as other tools of the Office range, allows to put a mot de passe on a document. You can encrypt a Word document to make it inaccessible to anyone who does not have the password set.
Put a password on a Word document
Besides full encryption, Word offers other document protection options. For example, you can choose to put a password on your document to restrict its modification and thus control the type of modification that other people can make to it.
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Encrypt a Word document
To encrypt a Word document, open the document. Go to the menu File → Information and pull down the menu " Protect the document ". As you will see, there is more than one option to protect the document. Choose " Encrypt with password ».
Enter a password, which you will not be able to forget, and retype it.
Enter the password again and click on OK. Your Word document will then be protected. Any reading / writing of the document will be conditioned by the entry of the password. Close your document and reopen it:
You will notice that upon opening the password will be required. Without it, any access to the document will be impossible. When setting up a password, be sure to keep it in a safe place, since its forgetting implies the definitive loss of access to the document. You won't be able to get it back.
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To remove the password, follow the same path. Go to the menu File → Information. Once again, pull down the " Protect the document »And choose« Encrypt with password ". Delete the characters from the password and, with the field empty, click on OK.
Clicking on OK, access to your document will no longer be conditioned by a password. You can use the same procedure to encrypt an Excel or Powerpoint document.
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Protect a Word document, restrict editing
Apart from encryption, Word also offers the possibility of applying certain restrictions on the document. For example, you can restrict the formatting or any kind of modification. The document will thus be searchable but not modifiable.
To do this, go to the menu once again File → Information. Once again, pull down the " Protect the document "And, instead of encrypting a Word document, choose" Restrict modification ».
You will be presented with a number of options on the right side of the screen. These options are also accessible without going through the File menu. In the menu bar, click on " Revision ". Choose " Protect "Then" Restrict modification ».
Check options 1 and 2, Formatting restrictions et Restrictions on modifications. Go down further and click on " Activate protection ":
Enter the password, twice to confirm, and click OK.
To remove the restriction of modifications, proceed in the same way. You will have the button " Disable protection ". By clicking on it, you will be prompted to enter the previously defined password, then the restrictions will be lifted.
This option does not offer strong enough protection, it can easily be bypassed by saving the file in another format, RTF, and converting it back to a Word document. If you want to protect your document, opt for full encryption instead.