Thanks for your inquiry. Well, you’re using very old version of Aspose.Words. Unfortunately, we don’t provide support for older released versions of Aspose.Words. Also, please note that we do not provide any fixes or patches for old versions of Aspose products either. All fixes and new features are always added into new versions of our products. So, we suggest you please upgrade to the latest version of Aspose.Words from the following link:
The older version of Aspose.Words (v1.4) may not work for Word 2013 documents. Please note that the subscription of license is for one year and during that term, you can download any new versions and hotfixes that are published.
Please let us know if you have any more queries.