diff --git a/sci-log-db/src/__tests__/unit/service.export-snippet.unit.ts b/sci-log-db/src/__tests__/unit/service.export-snippet.unit.ts
index bb2a5f6a..53239557 100644
--- a/sci-log-db/src/__tests__/unit/service.export-snippet.unit.ts
+++ b/sci-log-db/src/__tests__/unit/service.export-snippet.unit.ts
@@ -240,9 +240,13 @@ describe('Export service unit', function (this: Suite) {
       const exportFile = await exportService['exportToPdf'](
         paragraphs,
         {exportFile: 'dir/file.pdf', exportDir: 'dir'},
+        {authorization: 'Bearer XXXX'},
         'aTitle',
       );
       expect(addTitle.callCount).to.be.eql(1);
+      expect(exportService.authorizationHeader).to.be.eql({
+        authorization: 'Bearer XXXX',
+      });
       expect(htmlToPDF.callCount).to.be.eql(o);
       expect(exportFile).to.be.eql('dir/file.pdf');
     });
@@ -341,6 +345,26 @@ describe('Export service unit', function (this: Suite) {
         [['someFile_>_.pdf', 'accessHash2']],
       ],
     },
+    {
+      input: [
+        {files: []},
+        '<div class="fileLink" href="https://some/download/111fd07c4f1f010a51e32b36">someFile.pdf</div>',
+      ],
+      expected: [
+        '<filelink>attachments/someFile.pdf</filelink>',
+        [['someFile.pdf', '111fd07c4f1f010a51e32b36']],
+      ],
+    },
+    {
+      input: [
+        {files: []},
+        '<div class="fileLink" href="https://some/download/1">someFile.pdf</div>',
+      ],
+      expected: [
+        '<div class="fileLink" href="https://some/download/1">someFile.pdf</div>',
+        [],
+      ],
+    },
   ].forEach((t, i) => {
     it(`attachment ${i}`, async () => {
       const element = textContentToHTML({textcontent: t.input[1]} as Paragraph);
@@ -357,12 +381,15 @@ describe('Export service unit', function (this: Suite) {
       // eslint-disable-next-line @typescript-eslint/no-explicit-any
       .resolves({arrayBuffer: async () => '' as any} as Response);
     sandbox.stub(Buffer, 'from');
+    exportService.authorizationHeader = {authorization: 'Bearer XXXX'};
     const writeFileSpy = sandbox.stub(fspromise, 'writeFile');
     await exportService['downloadAttachment']('someDir', ['a', 'b']);
     expect(writeFileSpy.calledWith('someDir/a', match.any)).to.be.eql(true);
-    expect(responseSpy.calledWith('http://localhost:3000/images/b')).to.be.eql(
-      true,
-    );
+    expect(
+      responseSpy.calledWith('http://localhost:3000/images/b', {
+        headers: {authorization: 'Bearer XXXX'},
+      }),
+    ).to.be.eql(true);
   });
 
   [
@@ -394,4 +421,34 @@ describe('Export service unit', function (this: Suite) {
       ).to.eql(t.expected[2]);
     });
   });
+
+  [
+    {input: [null], expected: undefined},
+    {input: ['some'], expected: undefined},
+    {input: ['https://abc'], expected: undefined},
+    {input: ['http://abc'], expected: undefined},
+    {input: ['http://abc/download'], expected: undefined},
+    {input: ['http://abc/download/123'], expected: undefined},
+    {
+      input: ['http://abc/download/111fd07c4f1f010a51e32b36'],
+      expected: '111fd07c4f1f010a51e32b36',
+    },
+    {input: ['file:somefile', []], expected: undefined},
+    {
+      input: [
+        'file:somefile',
+        [{fileHash: 'somefile', accessHash: 'accessHash'}],
+      ],
+      expected: 'accessHash',
+    },
+  ].forEach((t, i) => {
+    it(`attachmentDownloadUrl ${i}`, async () => {
+      expect(
+        exportService['attachmentDownloadUrl'](
+          t.input[0] as string | null,
+          t.input[1] as {fileHash?: string; accessHash?: string}[] | undefined,
+        ),
+      ).to.eql(t.expected);
+    });
+  });
 });
diff --git a/sci-log-db/src/mixins/basesnippet.repository-mixin.ts b/sci-log-db/src/mixins/basesnippet.repository-mixin.ts
index af45535e..7d44d808 100644
--- a/sci-log-db/src/mixins/basesnippet.repository-mixin.ts
+++ b/sci-log-db/src/mixins/basesnippet.repository-mixin.ts
@@ -452,6 +452,7 @@ function ExportRepositoryMixin<
       const outFile = await exportService.exportToPdf(
         snippets as unknown as Paragraph[],
         {exportFile, exportDir},
+        _.pick(response?.req?.headers, 'authorization'),
         parentName,
       );
       response.download(outFile, (err, path = exportDir) => {
diff --git a/sci-log-db/src/services/export-snippets.service.ts b/sci-log-db/src/services/export-snippets.service.ts
index fa252122..dd58e202 100644
--- a/sci-log-db/src/services/export-snippets.service.ts
+++ b/sci-log-db/src/services/export-snippets.service.ts
@@ -36,6 +36,7 @@ export class ExportService {
   subsnippetCounter: number;
   attachments: string[][] = [];
   attachmentsFolder = 'attachments';
+  authorizationHeader: {authorization?: string};
 
   constructor(
     @inject(RestBindings.SERVER)
@@ -228,20 +229,40 @@ export class ExportService {
   };
 
   private attachment = (snippet: Paragraph, element: Element) => {
-    snippet.files?.map(fileSnippet => {
-      const fileLinkElement = element.querySelector(
-        `.fileLink[href='file:${fileSnippet.fileHash}']`,
-      );
-      if (!fileLinkElement) return;
+    element.querySelectorAll('.fileLink').forEach(fileLinkElement => {
+      const href = fileLinkElement.getAttribute('href');
+      const downloadUrl = this.attachmentDownloadUrl(href, snippet.files);
+      if (!downloadUrl) return;
       const attachment = fileLinkElement.textContent ?? '';
       const attachmentElement = this.document.createElement('fileLink');
       attachmentElement.innerHTML = `${this.attachmentsFolder}/${fileLinkElement.innerHTML}`;
       fileLinkElement.replaceWith(attachmentElement);
-      this.attachments.push([attachment, fileSnippet.accessHash as string]);
+      this.attachments.push([attachment, downloadUrl]);
     });
     return element;
   };
 
+  private attachmentDownloadUrl(
+    href: string | null,
+    files: {fileHash?: string; accessHash?: string}[] | undefined,
+  ) {
+    let accessHash: string | undefined;
+    if (href?.startsWith('https://') || href?.startsWith('http://')) {
+      const objectId = require('mongodb').ObjectId;
+      const hrefParts = href.split('/');
+      const fileId = hrefParts.pop();
+      if (objectId.isValid(fileId) && hrefParts.pop() === 'download')
+        return fileId;
+      return;
+    } else if (
+      files?.some(
+        f => `file:${f.fileHash}` === href && (accessHash = f.accessHash),
+      )
+    )
+      return accessHash;
+    return;
+  }
+
   private countSnippets(linkType?: LinkType) {
     let counter: number | string = '';
     if (linkType === 'paragraph') {
@@ -264,8 +285,10 @@ export class ExportService {
   async exportToPdf(
     snippets: Paragraph[],
     exportPath: {exportFile: string; exportDir: string},
+    authorizationHeader: {authorization?: string},
     title?: string,
   ) {
+    this.authorizationHeader = authorizationHeader;
     const browser = await puppeteerLaunc({
       executablePath: process.env.CHROME_BIN,
       args: ['--no-sandbox'],
@@ -320,7 +343,9 @@ export class ExportService {
     attachmentDir: string,
     attachment: string[],
   ) {
-    const response = await fetch(`${this.server.url}/images/${attachment[1]}`);
+    const response = await fetch(`${this.server.url}/images/${attachment[1]}`, {
+      headers: this.authorizationHeader,
+    });
     const buffer = Buffer.from(await response.arrayBuffer());
     const destinationFile = `${attachmentDir}/${attachment[0]}`;
     await writeFile(destinationFile, buffer);