The immigration process requires some proof that your fiancé or marital relationship is not a fraud. Marital fraud is big business. We used Christian Filipina's visa service and they helped make sure we had what we needed. Here is what we included-
My wife printed transcripts of chats we had from Skype and Viber. I don’t know how she did it, but since all of her evidence was many pages long so we had to pare it down.
I tried to have a page of pertinent dates like any early conversation, when I proposed, chats about our families, chats about wedding and travel plans.
You only need 10 or less pages of communication, so we wanted it to be relative. While you might be tempted to want to provide voluminous amounts of transcripts and similar proof of your relationship, it is doubtful your agent will recommend that, so if you do it yourself, just provide the most pertinent information.
Listen to the podcast for more proof of relationship tips here on Casting Beyond The Sea.