In the daily office, we often use Word documents to edit and process a variety of documents. In Word documents, Doc and DOCX file formats often appear.online pdf conversion So what is the difference between the two file formats?

1. Different software versions

Doc is word2003 version of the document format generated before, docx is word2007 version of the document format generated after.merge pdf rearrange pages doc format of the document can be opened in word2007 version of the above, but docx format of the document in the word2003 version of the previous version can not be opened.

2. Different file sizes

DOC file size than DOCX file is much larger. Because DOC files are in binary format, while DOCX files are in XML format.pdf split and merge download online XML format allows for better compression of the file size, especially when it contains a large number of images and other media files, which reduces the need for network bandwidth and storage space when storing and transmitting files.

3. Differences in compatibility

Docx file format is better than doc in terms of support. docx format can make documents more compatible, especially when transferring files between different platforms and devices. docx format documents are easier to open and read.

4. Different text characteristics

The docx format has evolved to provide more text features and better internal control of text. For example, it supports more fonts, colors and styles, as well as more paragraph and list design styles. At the same time, it can also support us more text effects, such as shadows, glow and distortion.

5. Security is different

Docx can better protect the security of document content from being tampered or stolen by others.DOCX format uses XML document format to store data, and XML document format can be used to store data in the form of tags to avoid malware tampering with the document. DOCX format also employs encryption technology to secure documents. In addition, DOCX format supports digital signature function, which can digitally sign the content of the document to ensure the integrity and authenticity of the document.

Generally speaking, docx format is a better choice in most cases. However, if we need to share the document with users of earlier versions of word, we need to save the document in doc format to ensure that they can view and edit the document properly.