Microsoft Office Document Imaging is a software to convert scanned file in image to txt or call OCR Software. OCR (Optical Character Recognition) is technology to convert different types of documents, such as scanned paper documents, PDF files or images captured by a digital camera into editable and searchable data such as PDF or document. Commonly OCR is come in CD that you will get when you buy scanner. But you can also download and install by yourself OCR Program without buying any scanner.
Almost good scanner software is not free, you must spend your money to buy the software. Fortunately there 2 good OCR tools that you can use to convert your scanned files into document format (.pdf, .doc, or ,txt). These free OCR software can be used as alternative to Microsoft Office Document Imaging
FreeOCR – Paperfile can be used as OCR and scan tools. It can open most scanned PDF’s and multi page Tiff images. The outputs is in plain text and can export directly to Microsoft Word format. This software needs the .Net Framework V2.0 from Microsoft. FreeOCR will automatically scan detect and download this software if you do not have this installed on your PC. To use scanning of images you will need a desktop document scanner that uses Twain or WIA compatible scanning drivers.
GOCR is an OCR created by Joerg Schulenburg and can used with different front-ends, which makes it very easy to port to different OSes and architectures. GOCR can open many different image formats, and its quality have been improving in a daily basis. GOCR is developed under the GNU Public License.