diff --git a/.vscode/settings.json b/.vscode/settings.json
index acd4c6e..cbe555d 100644
--- a/.vscode/settings.json
+++ b/.vscode/settings.json
@@ -45,7 +45,8 @@
         "string": "cpp",
         "chrono": "cpp",
         "ratio": "cpp",
-        "thread": "cpp"
+        "thread": "cpp",
+        "string_view": "cpp"
     },
     "C_Cpp.clang_format_fallbackStyle": "LLVM",
     "editor.formatOnSave": true,
diff --git a/include/teensy.h b/include/teensy.h
index f49d3fa..ab0adfa 100644
--- a/include/teensy.h
+++ b/include/teensy.h
@@ -1,5 +1,4 @@
 #include "Vehicle.h"
-
 #include <Arduino.h>
 #include <SD.h>
 #include <SPI.h>
@@ -35,20 +34,43 @@ void initFile() {
   }
   Serial.println("Card initialized.");
 
-  // Delete any previous existing files
+  int i = 1;
+  Serial.print("simOut_" + String(i) + ".csv");
+  String fileName;
+
   if (SD.exists("simOut.csv")) {
-    SD.remove("simOut.csv");
-  }
+    while (i > 0) {
+      fileName = "simOut_" + String(i) + ".csv";
 
-  // Open simOut.csv
-  dataFile = SD.open("simOut.csv", FILE_WRITE);
-  if (dataFile) {
-    Serial.println("File successfully opened!");
+      if (!SD.exists(fileName)) {
+        // Open simOut_i.csv
+        dataFile = SD.open(fileName, FILE_WRITE);
 
+        if (dataFile) {
+          Serial.println("File successfully opened!");
+
+        } else {
+          // if the file didn't open, print an error:
+          Serial.println("Error opening output file. \n\nABORTING SIMULATION");
+          teensyAbort();
+        }
+        i = 0;
+
+      } else {
+        i++;
+      }
+    }
   } else {
-    // if the file didn't open, print an error:
-    Serial.println("Error opening simOut.csv. \n\nABORTING SIMULATION");
-    teensyAbort();
+    // Open simOut.csv
+    dataFile = SD.open("simOut.csv", FILE_WRITE);
+    if (dataFile) {
+      Serial.println("File successfully opened!");
+
+    } else {
+      // if the file didn't open, print an error:
+      Serial.println("Error opening output file. \n\nABORTING SIMULATION");
+      teensyAbort();
+    }
   }
 
   // File Header
@@ -176,7 +198,7 @@ void printSimResults(Vehicle &State) {
   State.yaw = State.yaw * 180 / M_PI;
   State.pitch = State.pitch * 180 / M_PI;
   State.roll = State.roll * 180 / M_PI;
-  
+
   double landing_angle =
       pow(State.yaw * State.yaw + State.pitch * State.pitch, .5);