FAQ on Migration of Connect from Google to Microsoft

  1. Activate your Microsoft account here, go to https://portal.office.com and click Sign in.
  2. Select Work or school account.
  3. Enter yourUID@connect.hku.hk and your graduate email account password.
  4. You can start using the OneDrive.


Access via 


  1. MyEmail tab of HKU Portal or 
  2. https://mail.office365.com using yourUID@connect.hku.hk and PIN  


Steps for email migration (deadline: by 31 May 2023): to be provided later 


Access via https://portal.office.com > select Work or school account > enter yourUID@connect.hku.hk and PIN > Use OneDrive and other O365 apps

Storage size of OneDrive under each account: 5TB

Steps for file migration (deadline: by 31 May 2023):

File sharing 

The previous file sharing you set up on Google Drive will continue to work until 31 May 2023 or before the files are transferred or removed, whichever is earlier.  After the files are relocated, please set up the filing sharing on OneDrive or other storage devices again if necessary.   


Steps for filing sharing (deadline: by 31 May 2023): here 

Google authentication  You can keep using your Google account for authentication purpose after May 2023 if your Google storage is emptied.  This can be done by doing a simple registration and the registration steps will be provided later.  

Switch over of HKU Connect account from Google to Microsoft (i.e., the email will be delivered to Microsoft)

June 1, 2022

Google account remains accessible for data transfer

(read-only access)

until May 31, 2023

Registration for keeping a Google account for authentication purposes

before May 31, 2023

Deletion of Google account (if not kept for authentication)

June 1, 2023

You can still login to the Google platform via webmail.hku.hk (please select connect.hku.hk – Gmail account) to continue transferring your data until 31 May 2023.  Please however note that the Google accounts from 1 June 2022 onwards will be changed to a “read-only” mode, i.e., the account will have no email sending, email receiving, file sharing and file upload functions. The Google account will be deleted after 31 May 2023 unless you register to keep it for authentication purpose with an empty storage.   

If you wish to keep your Google accounts for authentication purpose after 31 May 2023, you can register to keep it if your Google drive storage is emptied (storage size = 0).  Registration steps will be provided later.

Yes, users have to migrate the emails and data under the Google account themselves if they wish to keep a copy of them.

  1. All new emails sent to your uid/alias@connect.hku.hk will be delivered to the inbox of your Microsoft account instead of Gmail.
  2. Google Drive will be changed to read-only mode. You can continue accessing and migrating your files but you cannot add new files.
  3. Google Drive sharing function will be disabled. You can migrate your data to OneDrive or other storages and set up the sharing again.
  4. Google Drive related tools, such as Google Drive for desktop and Google Drive Backup and Sync, will be disabled.
  5. Google Photos will be disabled. You can download using Google takeout if you wish to keep a copy.
  1. Still can use Sign in with Google for third-party services, e.g. Spotify, Evernote, Dropbox, etc.
  2. Migrate/download files from Google Drive (cannot add new files).
  3. You can continue using other services provided by Google except for Gmail, Drive, and Photos.

    * ITS will stop providing support for the services on the Google Connect account after the migration date. 
  1. Start migrating your emails from Gmail to Microsoft platform. Migration steps will be provided later.
  2. Continue migrating your files on Google Drive and Google Photos to Microsoft OneDrive or other storage devices.
  3. If you wish to keep your Google accounts for authentication purpose after 31 May 2023, you can register for this as long as your Google drive storage is emptied (storage size = 0). Registration steps will be provided later.

Graduates can start using your OneDrive (with 5TB storage) now AFTER you reset your graduate email account password once if you have not accessed your OneDrive before.  Please note that the use of your email account (i.e. send and receive emails using @connect.hku.hk account) remains unchanged under the Gmail platform until the account migration date in June 2022.

Follow the steps above to login to OneDrive to activate its use.  You can click here for the steps to transfer data from Google Drive to OneDrive using Mover. 


After the data transfer is completed, please delete all files from your HKU Connect Google Drive.  

From our testing, it may take 4 days to transfer 1TB data and 7 days to transfer 2TB data using Mover.  After you initiate the data transfer on Mover, you can close the browser and turn off your PC.  To check the data transfer progress, you can go to https://www.mover.io/ and select Migration Manager.  You will receive a completion email after the data transfer is completed.   


Alternatively, you can consider downloading the files to your PC before you upload them to OneDrive or other storage devices.  Please also click here for other means on data transfer. 

Please migrate all data from Google Drive and Google Photos and DELETE all files from your HKU Connect Google Drive.  


Review current Google storage https://drive.google.com/settings/storage 
Manage files in Google storage 



Reduce Google storage  
  1. Disable Google Backup and Sync 
  2. Reduce Google Drive Storage 
  3. Reduce Google Photos Storage 
  4. Reduce Gmail Storage 

Transfer Data  

-Export and download data from the Google products 

– Google Drive 

– Google Calendar 

– Google Contacts 

– Google Photos 

– Transfer to another personal Gmail account 




error on transfering content

If you see error: “Transfer Your Content is only available to authorised G Suite for Education Accounts. Please contact your administrator”, this may due to you used the same web browser to login both Connect and personal Gmail accounts.
Please try to logout all accounts. Use 2 different web browsers, (may be Chrome and Firefox), to login Connect and Gmail separately and try again.

  1. “BrowserAuthError: hash_empty_error”


    Please retry by using a web browser in private mode and go to https://mover.io.


    Chrome (Incognito mode)https://support.google.com/chrome/answer/95464
    Firefox (Private Browsing)https://support.mozilla.org/en-US/kb/private-browsing-use-firefox-without-history
    Safari (Private Browsing)https://support.apple.com/en-hk/guide/safari/ibrw1069/mac
    Microsoft Edge (InPrivate)https://support.microsoft.com/en-us/microsoft-edge/browse-inprivate-in-microsoft-edge-cd2c9a48-0bc4-b98e-5e46-ac40c84e27e2


  2. Migration completed with errors


    1. If you have already started a migration task, login to https://mover.io >  Migration Manager > select the latest task > Re-run 1 Transfer.


      The following file types are not supported by Mover.io (Microsoft website refers).  Please skip these files or migrate them manually (e.g. download to local PC from Google Drive and upload to OneDrive manually).


      • Files with a size of 0 bytes (zero-byte files)
      • Files larger than 15GB
      • Shortcut files
      • Suspicious/Virus files
      • Folder/File names with special characters
      • Folder/File names too long


    2. You may check the migration log to review the reason of failure.Login https://mover.io >  Migration Manager > select the latest task > Click the ⓘ icon > Transfer Logs > Log button > Failures button


      Please check the Failure logs.  Logs with “Skipping because of incremental.” are fine as re-run task will skip these files that have already been migrated.


      click the icon


      click transfer log


      click failure


      Example of failure reasons:


      check the result

After HKU Connect accounts are migrated from Google to Microsoft on 1 June 2022, all Google accounts are accessible in read-only mode to allow users to continue transferring their files and data.  From 1 June 2022 onwards, all Google accounts are set with a quota limit of 100MB and alert will be shown when the storage size exceeds this limit. You can continue accessing your account in read-only mode until 31 May 2023 though you can’t save/share new files or receive new emails under your Google account.


Google Storage

google storage interface 

Google Drive

google drive interface

Google Photos 

google photos interface

Please go to https://webmail.hku.hk and click the button “CONNECT.HKU.HK (Google, read-only).

webmail button of connect.hku.hk with google


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