Microsoft Word is the software most widely used to create documents in the whole world. But unfortunately, many people who leave documents exposed. In fact, these documents can be easily spread through the internet. It would be very dangerous for the owner of the document, especially when the contents of the document is very important and confidential. For example, company financial reports.
Therefore, we recommend that a document containing confidential information should be protected. Fortunately, Microsoft Office 2007 has features to protect dokumen.Tidak only one, but several features at once, for example, features a digital signature and encryption. We will now discuss about how to sign the document and how to encrypt and password-in Microsoft Word document.
Digital signatures can still create documents opened and viewed its contents. Digital signatures also do not protect the documents from the change. One could remove the digital signature, and then change the contents of the document. So, what the purpose of digital signatures? Digital signatures can be shown that people who signed the document already know the contents of the document and agreed to its contents. When the document to another place, people who read too sure that the contents of the document was invalid because it was known to people who signed the document.
Could someone remove the signature and change the contents of the document. But, when the document is changed, the signature was missing. Documents can be judged not valid anymore.
Here is how to add digital signature to the document.
1. Once the document is completed, save it in a format compatible with digital signatures and doc docx support digital signatures.
2. Click the Microsoft Office logo in the upper left corner, and point the pointer to [Prepare], then kilk [Add a Digital Signature]. Click [OK] in the box that appears.
3. Fill in the required information.
4. Fill in the provision of reasons, the signature is not required nor anything.
5. On the right, comes the digital signature.
Provision of a digital signature no influence on the contents of the document. The contents of the document can be read clearly by just anyone. However, if we want the information contained in the document should not be read by just anyone, we can not use the digital signature but must use encryption techniques and a password.
Microsoft Office 2007 has the Advanced Encryption Standard (AES) with 128 bit key and SHA-1 hashing. When the document encryption and password given, only those who know the key that can open. Here's how to add encryption and password on the document.
1. Click the Microsoft Office logo in the upper left corner and then point the pointer to [Prepare]. Click [Encrypt Document].
2. Fill in the password at will, but make the password hard to guess by using a combination of capital letters, non-capital, numbers, and symbols with at least eight characters long.
3. Fill in the password again.
4. Now, now also has protected documents. People who want to open the document must enter a password.
When a document is encrypted and given a password, so not all documents can be accessed by people who do not know the password. But, what if there is a document that only certain parts of it? For example, people can not change the font, font size, and headers. Can? The answer can be.
Follow the steps below.
1. Click [Review] in the ribbon, the name for the Microsoft Office toolbar.
2. Click [Protect Document] at the far right.
3. Click [restrict Formatting and Editing].
4. Tick the [Limit formatting to a selection of styles] on the right panel that had just appeared to prevent formatting changes.
5. Click [Settings] in the bottom.
6. Choose the parts that can not be changed by allowing a check mark in front of him.
7. Click [OK].
8. The next step to prevent changes in the contents of the document. Tick the [Allow only this type of editing in the document].
9. In the drop-down menu below, select how the changes will be action-prevented or recorded.
