Download microsoft.office.interop.excel.dll below to solve your dll problem. We currently have 3 different versions for this file available.Choose wisely. Most of the time, just pick the highest version.
Errors related to microsoft.office.interop.excel.dll can arise for a few different different reasons. For instance, a faulty application, microsoft.office.interop.excel.dll has been deleted or misplaced, corrupted by malicious software present on your PC or a damaged Windows registry.
In the vast majority of cases, the solution is to properly reinstall microsoft.office.interop.excel.dll on your PC, to the Windows system folder. Alternatively, some programs, notably PC games, require that the DLL file is placed in the game/application installation folder.
UPDATE 02-22-2018 (Xisco) The office-interoperability tool is already working in a vm testing rtf, doc, docx, odt (export), ppt, pptx and odp (export) against master builds using 8,450 files in total. The issues found by the tool can be found here: _id=778569&longdesc=office-interoperability-tools&longdesc_type=casesubstring&query_format=advanced 2b1af7f3a8