diff --git a/src/core/hle/service/ptm/ptm.cpp b/src/core/hle/service/ptm/ptm.cpp
index 5f22e9ba6..b9df66e3b 100644
--- a/src/core/hle/service/ptm/ptm.cpp
+++ b/src/core/hle/service/ptm/ptm.cpp
@@ -3,10 +3,12 @@
 // Refer to the license.txt file included.
 
 #include <cinttypes>
+#include "common/common_paths.h"
+#include "common/file_util.h"
 #include "common/logging/log.h"
+#include "core/file_sys/archive_extsavedata.h"
 #include "core/file_sys/errors.h"
 #include "core/file_sys/file_backend.h"
-#include "core/hle/service/fs/archive.h"
 #include "core/hle/service/ptm/ptm.h"
 #include "core/hle/service/ptm/ptm_gets.h"
 #include "core/hle/service/ptm/ptm_play.h"
@@ -136,42 +138,44 @@ void Module::Interface::CheckNew3DS(Kernel::HLERequestContext& ctx) {
 }
 
 static void WriteGameCoinData(GameCoin gamecoin_data) {
+    std::string nand_directory = FileUtil::GetUserPath(FileUtil::UserPath::NANDDir);
+    FileSys::ArchiveFactory_ExtSaveData extdata_archive_factory(nand_directory, true);
+
     FileSys::Path archive_path(ptm_shared_extdata_id);
-    auto archive_result =
-        Service::FS::OpenArchive(Service::FS::ArchiveIdCode::SharedExtSaveData, archive_path);
+    auto archive_result = extdata_archive_factory.Open(archive_path);
+    std::unique_ptr<FileSys::ArchiveBackend> archive;
 
     FileSys::Path gamecoin_path("/gamecoin.dat");
     // If the archive didn't exist, create the files inside
     if (archive_result.Code() == FileSys::ERR_NOT_FORMATTED) {
         // Format the archive to create the directories
-        Service::FS::FormatArchive(Service::FS::ArchiveIdCode::SharedExtSaveData,
-                                   FileSys::ArchiveFormatInfo(), archive_path);
+        extdata_archive_factory.Format(archive_path, FileSys::ArchiveFormatInfo());
         // Open it again to get a valid archive now that the folder exists
-        archive_result =
-            Service::FS::OpenArchive(Service::FS::ArchiveIdCode::SharedExtSaveData, archive_path);
+        archive = extdata_archive_factory.Open(archive_path).Unwrap();
         // Create the game coin file
-        Service::FS::CreateFileInArchive(*archive_result, gamecoin_path, sizeof(GameCoin));
+        archive->CreateFile(gamecoin_path, sizeof(GameCoin));
     } else {
         ASSERT_MSG(archive_result.Succeeded(), "Could not open the PTM SharedExtSaveData archive!");
+        archive = std::move(archive_result).Unwrap();
     }
 
     FileSys::Mode open_mode = {};
     open_mode.write_flag.Assign(1);
     // Open the file and write the default gamecoin information
-    auto gamecoin_result =
-        Service::FS::OpenFileFromArchive(*archive_result, gamecoin_path, open_mode);
+    auto gamecoin_result = archive->OpenFile(gamecoin_path, open_mode);
     if (gamecoin_result.Succeeded()) {
         auto gamecoin = std::move(gamecoin_result).Unwrap();
-        gamecoin->backend->Write(0, sizeof(GameCoin), true,
-                                 reinterpret_cast<const u8*>(&gamecoin_data));
-        gamecoin->backend->Close();
+        gamecoin->Write(0, sizeof(GameCoin), true, reinterpret_cast<const u8*>(&gamecoin_data));
+        gamecoin->Close();
     }
 }
 
 static GameCoin ReadGameCoinData() {
+    std::string nand_directory = FileUtil::GetUserPath(FileUtil::UserPath::NANDDir);
+    FileSys::ArchiveFactory_ExtSaveData extdata_archive_factory(nand_directory, true);
+
     FileSys::Path archive_path(ptm_shared_extdata_id);
-    auto archive_result =
-        Service::FS::OpenArchive(Service::FS::ArchiveIdCode::SharedExtSaveData, archive_path);
+    auto archive_result = extdata_archive_factory.Open(archive_path);
     if (!archive_result.Succeeded()) {
         LOG_ERROR(Service_PTM, "Could not open the PTM SharedExtSaveData archive!");
         return default_game_coin;
@@ -181,8 +185,7 @@ static GameCoin ReadGameCoinData() {
     FileSys::Mode open_mode = {};
     open_mode.read_flag.Assign(1);
 
-    auto gamecoin_result =
-        Service::FS::OpenFileFromArchive(*archive_result, gamecoin_path, open_mode);
+    auto gamecoin_result = (*archive_result)->OpenFile(gamecoin_path, open_mode);
     if (!gamecoin_result.Succeeded()) {
         LOG_ERROR(Service_PTM, "Could not open the game coin data file!");
         return default_game_coin;
@@ -190,17 +193,18 @@ static GameCoin ReadGameCoinData() {
     u16 result;
     auto gamecoin = std::move(gamecoin_result).Unwrap();
     GameCoin gamecoin_data;
-    gamecoin->backend->Read(0, sizeof(GameCoin), reinterpret_cast<u8*>(&gamecoin_data));
-    gamecoin->backend->Close();
+    gamecoin->Read(0, sizeof(GameCoin), reinterpret_cast<u8*>(&gamecoin_data));
+    gamecoin->Close();
     return gamecoin_data;
 }
 
 Module::Module() {
     // Open the SharedExtSaveData archive 0xF000000B and create the gamecoin.dat file if it doesn't
     // exist
+    std::string nand_directory = FileUtil::GetUserPath(FileUtil::UserPath::NANDDir);
+    FileSys::ArchiveFactory_ExtSaveData extdata_archive_factory(nand_directory, true);
     FileSys::Path archive_path(ptm_shared_extdata_id);
-    auto archive_result =
-        Service::FS::OpenArchive(Service::FS::ArchiveIdCode::SharedExtSaveData, archive_path);
+    auto archive_result = extdata_archive_factory.Open(archive_path);
     // If the archive didn't exist, write the default game coin file
     if (archive_result.Code() == FileSys::ERR_NOT_FORMATTED) {
         WriteGameCoinData(default_game_coin);