Regarding data loss after server maintenance

Regarding data loss after server maintenance

Hello team, 
After these recent server maintenance, most of my Zoho notes are permanently gone, not visible in notebook desktop app, notebook web app and even not in the trash folder.
I am pretty sure I haven't deleted them permanently.

Most of the notecards from my notebooks are missing, and I am unable to recover them.

Is this a permanent loss? It had some important notes related to my academics, that I have made from a long time.
Could you please help me out.
I have also emailed the support team regarding this,

Hoping to hear back soon.
    Zoho Desk Resources

    • Desk Community Learning Series


    • Digest


    • Functions


    • Meetups


    • Kbase


    • Resources


    • Glossary


    • Desk Marketplace


    • MVP Corner


    • Word of the Day


      • Sticky Posts

      • Migrate your Notebook data to the new, mobile Notebook.

        Zoho Notebook is transforming. The new version will include exciting new features and a completely new user experience. The initial version will be mobile based, available for Android and iOS. A new web version will be available after the initial mobile release.   With the release of the new Notebook approaching, we're migrating most of your current data to the new version. Once the new version is released, there will be an additional window to migrate your data. We will not provide access to the

      Zoho CRM Plus Resources

        Zoho Books Resources


          Zoho Subscriptions Resources

            Zoho Projects Resources


              Zoho Sprints Resources


                Zoho Orchestly Resources


                  Zoho Creator Resources


                    Zoho WorkDrive Resources



                      Zoho Campaigns Resources

                        Zoho CRM Resources

                        • CRM Community Learning Series

                          CRM Community Learning Series


                        • Tips

                          Tips

                        • Functions

                          Functions

                        • Meetups

                          Meetups

                        • Kbase

                          Kbase

                        • Resources

                          Resources

                        • Digest

                          Digest

                        • CRM Marketplace

                          CRM Marketplace

                        • MVP Corner

                          MVP Corner




                          Zoho Writer Writer

                          Get Started. Write Away!

                          Writer is a powerful online word processor, designed for collaborative work.

                            Zoho CRM コンテンツ




                              ご検討中の方