We have found one software suitable in our database for this conversion.
Apple Wallet (Passbook) and Microsoft Wallet are two complete different mobile payment platforms so one cannot just rename .pkpass file to .mswallet. There appears to be lack of desktop solutions that could transfer tickets and couples from Passbook to Wallet.
However, Windows Phone 8/10 users can use the Passbook Converter app to convert pkpass files to mswallet.
Updated: January 29, 2018
PKPASS
Files with pkpass file extension are electronic versions of tickets for Apple Wallet/Passbook platform for iOS (iPhone, iPad) devices. Used as a digital pass for movie tickets, loyalty cards, boarding passes etc.
MSWALLET
An mswallet file extension is related to the Microsoft Wallet for Windows Phone. An mswallet file stores item package (boarding pass, membership card, ticket, deal, payment instrument or a general card).
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