Hi Reza,
Thank you for the update.
I’m afraid that I’m not able to reproduce the reported issue, Could you please refer the following video file.
MSWord2007:
http://websamples.syncfusion.com/samples/Tools.Windows/75292/word2007.zipSFWord2007:
http://websamples.syncfusion.com/samples/Tools.Windows/75292/SF_2007.zipSample: My Documents\ Syncfusion\EssentialStudio\version number\Windows\Tools.Windows\Samples\2.0\Featured Samples\Word2007Demo
if still the issue exists, could you please send us a sample so that we could sort out the cause of the issue and provide you a solution?
Please let me know if any concern.
Regards,
Hema