How to Export Multiple Emails From Offline OST into O365 Format

 

Moving from Exchange Online to Office 365 calls both management and planning. Not only does having Exchange mailbox data on a cloud platform like Office 365 provide fast data access and free from downtime maintenance? Since Office 365 is a dependable platform for moving their offline Outlook Data File (OST), most users would rather save a copy of it there.

Mailboxes cannot be imported straight into Office 365 when the user requests the Exchange Administrator to export mailboxes with data locked inside OST files. This is so, as they need to exchange or related profiles and there is a cache of the mailbox on the server. Three ways of importing OST files into Office 365 will be taught here so that the user may select a fit one for their migration.

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Method 1: Uploading OST Files converted to PST Format to Office 365

Importing OST files into Office 365 indirectly is how one does it. Convert the OST files initially to PST style. We then sync the PST files to Office 365.

First Step: PST format conversion of OST files

  1. Access your Outlook account. Click "File," then "Import and Export."
  2. Click on "Next," after choosing "Export to a file."
  3. After choosing the "Personal Folder File (.pst)" option, click "Next".
  4. Click "Next," then check "Include Sub-folder," after choosing an email or folder.
  5. Review the area you wish to save the file, check "Replace duplicate with items imported," and click “Next.”
  6. Type in a password (if you want; else, skip it) then click "Ok."

Note: This time-given approach will not be applicable should the Exchange server be offline or disconnected from the server. In such instances, translate OST files into PST format with the OST to PST converter tool.

Second Step: Move PST files to the Office 365 Cloud Platform.

Enter into your Office 365 account, navigate to "Admin Center," then click "Exchange."

  1. A window for the Exchange Admin Center (EMC) will show. Next, go to "Permissions" and double-click "Organization Management." Another popup shows; click the "+" sign to choose "Mailbox Import Export." Click "Add," then click “Ok.”
    Click "Save," once more choosing "Mailbox Import Export."
  2. After selecting "Setup," "Admin Center," and "Data Migration," click "Upload file."
  3. Later click on "New Import Job," enter the job name, then "Next."
    Click "Next," then “ Upload Your Date.”
  4. You will see a window; click "Show Network Upload SAS URL," copy the URL, and past-due it into the notepad.
  5. Get Azure AzCopy by downloading here Click on "Run," and the tool loads.
  6. While importing PST files into Office 365, let the folder or file you wish to import and copy the Network Path.
  7. Type in and open the Microsoft Azure AzCopy tool.
  8. Network Path or AzCopy.exe /Source: Press "Enter," file location /dest: "SAS URL" /V: location path where you wish to save the log file /AzCopy.log /Y.

9. AzCopy.exe /Source: DESKTOP-MPKVU38 UsersleDesktop Import /Dest:"https://476d07f3b7d414a7.blob.core.windows.net/ingestiondata?sv=2015-04-

05&sr=c&si= IngestionSasFor AzCopy 20180609065&sig=hccYVWvlkOhp6FISVYywwt9W9YlzRoQfXqGZvq14jqM%3D&se=2018-07-09T06%3A56%3A09Z./V:c: Usersle Desktop AzCopy.log /Y

10. Create a CSV file following the PST file, uploading it to map it into the mailbox account. Open the import data window, check mark both choices, then click “Next.”

11. Click "Select Mapping file," " Upload CSV file," "Validate," and lastly “Save.”

12. Activate “Close since your PST file was successfully imported into Office 365.”

Method 2: Professional Method to Export OST to Office 365 

The approach shown above is quite difficult and time-consuming. I would thus advise that the TrustVare OST to Office 365 Converter tool is the best way to convert OST to Office 365 format. Its UI is simple and easy to use. The application migrates the bulk of OST files into Office 365 at once and keeps the original structure remaining the same. It is compatible with migration for Unicode, Locked, ANSI, and encrypted OST files. They showed the preview before the conversion. It works on both MS Outlook and Windows OS versions. Repair to upload and export desired OST files. The application is bug and virus-free. A lightweight application is quickly installed and runs in all windows without interrupting the speed. It offers 24/7 technical support and also a free trial version.

Steps to follow

  • Install the OST to Office 365 Converter Tool.
  • Add single or multiple OST files/folders from the browser panel.
  • Before conversion, check the preview on the screen.
  • Choose Office 365 as the output option.
  • Select the location to save the file.
  • Press the Convert Now button.

Method 3: Drives shipping PST files to Office 365 after converting OST files to PST Format

Importing OST files into Office 365 indirectly is how one does it. Convert the OST files first into PST style. We then drive the PST files toward the cloud.

Step 01: Translate OST files into PST ones.

  1. Open Outlook's account. Start by clicking "File," then "Import and Export."
  2. Choose "Export to a file" and click "Next."
  3. Click on "Next" after selecting the "Personal Folder File (.pst) option.
  4. Choose email or folder; check "Include Sub-folder," then click "Next."
  5. Search for the area you wish to save the file, review "Replace duplicates with items imported," then click “Next.”
  6. Click “OK,” type in a password if you wish, or else skip it.

Step2: Ship PST files to Office 365

Users of "Drive Shipping to Microsoft," following these guidelines, can quickly send their PST pitch to Microsoft from a hard disk. It then smoothly copies and uploads the data from its disk drive to Office 365.

Last Words

Three possible approaches to importing OST into an Office 365 mailbox have been covered in this post. The first approach takes rather a lot of time. Fast uploading OST files to Exchange Online comes second. Finally, the third approach is trustworthy since Microsoft advises it. One can thus select a method depending on their needs.

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