diff --git a/client/modules/IDE/components/NewFileModal.jsx b/client/modules/IDE/components/NewFileModal.jsx
index 9a3f13dc..aeed9598 100644
--- a/client/modules/IDE/components/NewFileModal.jsx
+++ b/client/modules/IDE/components/NewFileModal.jsx
@@ -71,8 +71,8 @@ function validate(formProps) {
 
   if (!formProps.name) {
     errors.name = 'Please enter a name';
-  } else if (!formProps.name.match(/(.+\.js$|.+\.css$|.+\.json$|.+\.txt$|.+\.csv$)/i)) {
-    errors.name = 'File must be of type JavaScript, CSS, JSON, TXT, or CSV.';
+  } else if (!formProps.name.match(/(.+\.js$|.+\.css$|.+\.json$|.+\.txt$|.+\.csv$|.+\.tsv$)/i)) {
+    errors.name = 'File must be of type JavaScript, CSS, JSON, TXT, CSV, or TSV.';
   }
 
   return errors;
diff --git a/server/utils/fileUtils.js b/server/utils/fileUtils.js
index 3b14e1eb..0e6a7e58 100644
--- a/server/utils/fileUtils.js
+++ b/server/utils/fileUtils.js
@@ -20,7 +20,7 @@ export const MEDIA_FILE_QUOTED_REGEX =
 
 export const STRING_REGEX = /(['"])((\\\1|.)*?)\1/gm;
 // these are files that have to be linked to with a blob url
-export const PLAINTEXT_FILE_REGEX = /.+\.(json|txt|csv|vert|frag)$/i;
+export const PLAINTEXT_FILE_REGEX = /.+\.(json|txt|csv|vert|frag|tsv)$/i;
 // these are files that users would want to edit as text (maybe svg should be here?)
 export const TEXT_FILE_REGEX = /.+\.(json|txt|csv|vert|frag|js|css|html|htm|jsx)$/i;
 export const NOT_EXTERNAL_LINK_REGEX = /^(?!(http:\/\/|https:\/\/))/;