Need convert your document format into the acrobat document (pdf) maybe you need this free service.

This service enables you to convert Microsoft (R) Word documents (.doc) into Adobe (R) Portable Document Format (.pdf) documents. You can also convert Powerpoint. Please note that this service is not intended for use with confidential documents, as they can NOT guarantee secure transfer. If you like the service, please assist threre in keeping it up by donating a small amount of money to the site. Here this url address

After convert is finishing, click save a copy to save to your local hard drive.
I try conver document file size 146 Kb, after finishing to convert pdf file size 207 kb