I have also tried the copy paste method and it does not work with any of the MS Office applications or Notepad. I used Plug-ins -> Tools -> Excel Utilities and it worked fine.
May be you can start by using an elasto-plastic material model to simulate the tensile behaviour of the epoxy. If its brittle, VCCT may be used for crack propagation.
Define ALE mesh domain in STEP module ; Other -> ALE Adaptive Mesh Domain -> Manager. Then several options for the ALE meshing can be set from Other -> ALE Adaptive Mesh Controls -> Manager.
The use of cohesive modelling depends on what you want to model. There has been lot of modelling work regarding adhesive joints. What specific questions you have?