This may be a big news for those who annotate TIFF documents, most of the time. Previously, there was issue with this format. API was throwing exception “Cannot open image file”. But now you can:
Import annotations from TIFF file Delete annotations from it Export annotations into it Moreover, in trial mode you were not able to get document info. This issue is now resolved in GroupDocs.Annotation for .NET 19.6....following new Slide formats: PPTM POTX POTM PPSM Credit Based...