diff --git a/src/main/java/com/eactive/apim/portal/apps/community/partnership/controller/PartnershipApplicationController.java b/src/main/java/com/eactive/apim/portal/apps/community/partnership/controller/PartnershipApplicationController.java
index 07eedda..4b053a5 100644
--- a/src/main/java/com/eactive/apim/portal/apps/community/partnership/controller/PartnershipApplicationController.java
+++ b/src/main/java/com/eactive/apim/portal/apps/community/partnership/controller/PartnershipApplicationController.java
@@ -3,6 +3,7 @@ package com.eactive.apim.portal.apps.community.partnership.controller;
 import com.eactive.apim.portal.apps.community.partnership.dto.PartnershipApplicationDTO;
 import com.eactive.apim.portal.apps.community.partnership.service.PartnershipApplicationFacade;
 import com.eactive.apim.portal.common.util.SecurityUtil;
+import com.eactive.apim.portal.common.util.UserTypeUtil;
 import java.io.IOException;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.stereotype.Controller;
@@ -38,6 +39,7 @@ public class PartnershipApplicationController {
         }
 
         model.addAttribute("partnership", new PartnershipApplicationDTO());
+        model.addAttribute("isInternalUser", UserTypeUtil.isCurrentUserInternal());
         return "apps/community/mainPartnershipForm";
     }
 
diff --git a/src/main/java/com/eactive/apim/portal/apps/community/partnership/service/PartnershipApplicationFacadeImpl.java b/src/main/java/com/eactive/apim/portal/apps/community/partnership/service/PartnershipApplicationFacadeImpl.java
index c9019c7..0cc7d4b 100644
--- a/src/main/java/com/eactive/apim/portal/apps/community/partnership/service/PartnershipApplicationFacadeImpl.java
+++ b/src/main/java/com/eactive/apim/portal/apps/community/partnership/service/PartnershipApplicationFacadeImpl.java
@@ -2,6 +2,9 @@ package com.eactive.apim.portal.apps.community.partnership.service;
 
 import com.eactive.apim.portal.apps.community.partnership.dto.PartnershipApplicationDTO;
 import com.eactive.apim.portal.apps.community.partnership.mapper.PartnershipApplicationMapper;
+import com.eactive.apim.portal.common.user.PortalAuthenticatedUser;
+import com.eactive.apim.portal.common.util.SecurityUtil;
+import com.eactive.apim.portal.common.util.UserTypeUtil;
 import com.eactive.apim.portal.file.entity.FileInfo;
 import com.eactive.apim.portal.file.service.FileService;
 import com.eactive.apim.portal.file.service.FileTypeContext;
@@ -25,8 +28,15 @@ public class PartnershipApplicationFacadeImpl implements PartnershipApplicationF
 
         FileInfo file = null;
         if (!partnershipApplicationDTO.getFiles().isEmpty()) {
-            FileTypeContext.setFileType("business");
-            file = fileService.createFile(partnershipApplicationDTO.getFiles());
+            try {
+                PortalAuthenticatedUser user = SecurityUtil.getPortalAuthenticatedUser();
+                FileService.setInternalUserContext(UserTypeUtil.isInternalUser(user));
+
+                FileTypeContext.setFileType("business");
+                file = fileService.createFile(partnershipApplicationDTO.getFiles());
+            } finally {
+                FileService.clearInternalUserContext();
+            }
         }
         PartnershipApplication partnershipApplication = partnershipApplicationMapper.toEntity(partnershipApplicationDTO);
         if (file != null) {
diff --git a/src/main/java/com/eactive/apim/portal/apps/community/qna/controller/InquiryController.java b/src/main/java/com/eactive/apim/portal/apps/community/qna/controller/InquiryController.java
index 2c4eb39..5e99a18 100644
--- a/src/main/java/com/eactive/apim/portal/apps/community/qna/controller/InquiryController.java
+++ b/src/main/java/com/eactive/apim/portal/apps/community/qna/controller/InquiryController.java
@@ -5,6 +5,7 @@ import com.eactive.apim.portal.apps.community.qna.dto.InquirySearch;
 import com.eactive.apim.portal.apps.community.qna.service.InquiryFacade;
 import com.eactive.apim.portal.common.user.PortalAuthenticatedUser;
 import com.eactive.apim.portal.common.util.SecurityUtil;
+import com.eactive.apim.portal.common.util.UserTypeUtil;
 import java.io.IOException;
 
 import org.springframework.data.domain.Page;
@@ -67,6 +68,7 @@ public class InquiryController {
     @GetMapping("/new")
     public String newInquiryForm(Model model) {
         model.addAttribute("inquiry", new InquiryDTO());
+        model.addAttribute("isInternalUser", UserTypeUtil.isCurrentUserInternal());
         return APPS_COMMUNITY_MAIN_INQUIRY_FORM;
     }
 
@@ -77,6 +79,7 @@ public class InquiryController {
     public String editInquiryForm(@RequestParam("id") String id, Model model) {
         InquiryDTO inquiry = inquiryFacade.getMyInquiry(SecurityUtil.getPortalAuthenticatedUser(), id);
         model.addAttribute("inquiry", inquiry);
+        model.addAttribute("isInternalUser", UserTypeUtil.isCurrentUserInternal());
         return APPS_COMMUNITY_MAIN_INQUIRY_FORM;
     }
 
diff --git a/src/main/java/com/eactive/apim/portal/apps/community/qna/service/InquiryFacadeImpl.java b/src/main/java/com/eactive/apim/portal/apps/community/qna/service/InquiryFacadeImpl.java
index 9f84e7c..5b7af77 100644
--- a/src/main/java/com/eactive/apim/portal/apps/community/qna/service/InquiryFacadeImpl.java
+++ b/src/main/java/com/eactive/apim/portal/apps/community/qna/service/InquiryFacadeImpl.java
@@ -6,6 +6,7 @@ import com.eactive.apim.portal.apps.community.qna.mapper.InquiryMapper;
 import com.eactive.apim.portal.common.user.PortalAuthenticatedUser;
 import com.eactive.apim.portal.common.util.SecurityUtil;
 import com.eactive.apim.portal.common.util.StringMaskingUtil;
+import com.eactive.apim.portal.common.util.UserTypeUtil;
 import com.eactive.apim.portal.file.entity.FileInfo;
 import com.eactive.apim.portal.file.service.FileService;
 import com.eactive.apim.portal.file.service.FileTypeContext;
@@ -83,8 +84,15 @@ public class InquiryFacadeImpl implements InquiryFacade {
 
         FileInfo file = null;
         if (!inquiryDTO.getFiles().isEmpty()) {
-            FileTypeContext.setFileType("qna");
-            file = fileService.createFile(inquiryDTO.getFiles());
+            try {
+                PortalAuthenticatedUser user = SecurityUtil.getPortalAuthenticatedUser();
+                FileService.setInternalUserContext(UserTypeUtil.isInternalUser(user));
+
+                FileTypeContext.setFileType("qna");
+                file = fileService.createFile(inquiryDTO.getFiles());
+            } finally {
+                FileService.clearInternalUserContext();
+            }
         }
 
         Inquiry inquiry = inquiryMapper.toEntity(inquiryDTO);
@@ -104,12 +112,17 @@ public class InquiryFacadeImpl implements InquiryFacade {
     public void updateUserInquiry(PortalAuthenticatedUser user, String id, InquiryDTO inquiryDTO) throws IOException {
         Inquiry existingInquiry = inquiryService.getMyInquiry(user, id);
 
-        // 파일이 새로 업로드된 경우
         if (!inquiryDTO.getFiles().isEmpty() && !inquiryDTO.getFiles().get(0).isEmpty()) {
-            FileTypeContext.setFileType("qna");
-            FileInfo file = fileService.createFile(inquiryDTO.getFiles());
-            if(file != null) {
-                inquiryDTO.setAttachFile(file.getFileId());
+            try {
+                FileService.setInternalUserContext(UserTypeUtil.isInternalUser(user));
+
+                FileTypeContext.setFileType("qna");
+                FileInfo file = fileService.createFile(inquiryDTO.getFiles());
+                if(file != null) {
+                    inquiryDTO.setAttachFile(file.getFileId());
+                }
+            } finally {
+                FileService.clearInternalUserContext();
             }
         } else if (existingInquiry.getAttachFile() != null && inquiryDTO.getAttachFile() == null) {
             fileService.deleteFile(inquiryDTO.getAttachFile());
diff --git a/src/main/resources/templates/views/apps/community/mainInquiryForm.html b/src/main/resources/templates/views/apps/community/mainInquiryForm.html
index dd22058..93d1aa9 100644
--- a/src/main/resources/templates/views/apps/community/mainInquiryForm.html
+++ b/src/main/resources/templates/views/apps/community/mainInquiryForm.html
@@ -94,7 +94,7 @@
               <input type="file"
                      id="file"
                      name="files"
-                     accept=".pdf,.doc,.docx,.xls,.xlsx,.ppt,.pptx,.hwp,.gif,.jpg,.jpeg,.png"
+                     th:accept="${isInternalUser ? '*' : '.pdf,.doc,.docx,.xls,.xlsx,.ppt,.pptx,.hwp,.gif,.jpg,.jpeg,.png'}"
                      style="display: none;">
             </div>
             <div class="form-help-text">
@@ -195,11 +195,11 @@
         form.submit();
       });
 
-      // File input change handler
       fileInput.addEventListener('change', function () {
         const file = fileInput.files[0];
 
         if (file) {
+          /*[# th:if="${!isInternalUser}"]*/
           const allowedExtensions = ['.pdf', '.doc', '.docx', '.xls', '.xlsx', '.ppt', '.pptx', '.hwp', '.gif', '.jpg', '.jpeg', '.png'];
           const fileExt = '.' + file.name.split('.').pop().toLowerCase();
 
@@ -208,14 +208,13 @@
             fileInput.value = '';
             return;
           }
+          /*[/]*/
 
-          // Show file name in display
           fileDisplayText.textContent = file.name;
           fileDisplayText.classList.add('has-file');
           fileInputDisplay.classList.add('has-file');
           btnRemoveFile.style.display = 'flex';
 
-          // Clear existing attachFile if new file selected
           if (attachFileInput) {
             attachFileInput.value = '';
           }
diff --git a/src/main/resources/templates/views/apps/community/mainPartnershipForm.html b/src/main/resources/templates/views/apps/community/mainPartnershipForm.html
index 1ce7b56..4b47bd4 100644
--- a/src/main/resources/templates/views/apps/community/mainPartnershipForm.html
+++ b/src/main/resources/templates/views/apps/community/mainPartnershipForm.html
@@ -86,7 +86,7 @@
               <input type="file"
                      id="file"
                      name="files"
-                     accept=".pdf,.doc,.docx,.xls,.xlsx,.ppt,.pptx,.hwp,.gif,.jpg,.jpeg,.png"
+                     th:accept="${isInternalUser ? '*' : '.pdf,.doc,.docx,.xls,.xlsx,.ppt,.pptx,.hwp,.gif,.jpg,.jpeg,.png'}"
                      style="display: none;">
             </div>
             <div class="form-help-text">
@@ -182,11 +182,11 @@
         form.submit();
       });
 
-      // File input change handler
       fileInput.addEventListener('change', function () {
         const file = fileInput.files[0];
 
         if (file) {
+          /*[# th:if="${!isInternalUser}"]*/
           const allowedExtensions = ['.pdf', '.doc', '.docx', '.xls', '.xlsx', '.ppt', '.pptx', '.hwp', '.gif', '.jpg', '.jpeg', '.png'];
           const fileExt = '.' + file.name.split('.').pop().toLowerCase();
 
@@ -195,8 +195,8 @@
             fileInput.value = '';
             return;
           }
+          /*[/]*/
 
-          // Show file name in display
           fileDisplayText.textContent = file.name;
           fileDisplayText.classList.add('has-file');
           fileInputDisplay.classList.add('has-file');