Export Emails with Attachment from OST File – Top Ways

Outlook users often encounter issues when attempting to save emails with attachments from the OST file. This issue happens when the mailbox grows too large, attachments exhaust excess storage, or the OST file becomes damaged due to server or profile issues. Outlook offers some methods to export emails, but they may not always help in a smooth transfer of attachments.

Note: In this article, we’ll learn why exporting Emails with attachments from the OST File is important, explore manual and professional methods, and go through effective methods.

Why Do Users Need to Save Emails With Attachments from the OST File?

Some common reasons are:

  • Attachments increase the OST file size, making Outlook slow. Exporting emails with attachments helps to free up space.

  • If an OST file is no longer joined to an Exchange account, users may still need to repair emails and attachments in the OST file.

  • While transferring data, it's important to keep the attachment safe.

  • Keep a backup of important attachments.

Export Emails with Attachments from OST File - Hand-Driven Methods

1. Export OST Data to PST Using Outlook Import/Export Option:

Here are the Steps:

  1. Open Outlook and go to the File menu.

  2. Choose the option of Open & Export > Import/Export.

  3. Select a file to export, then click Next.

  4. Pick the Outlook Data File (.pst), then click on the Next option

  5. Take the folder that you want to export. Include subfolders is checked.

  6. Click Browse to choose the location saved.

  7. Finish export.

2. Drag and Drop Emails to Another PST File Format

Here, a simple option is dragging the chosen emails with attachments into another PST file or into a local folder for safety.

Here are the Steps:

  1. In Outlook, create a new PST file using the option File, then go to Account Settings > Data Files, and then add the file 

  2. Open the OST file mailbox and select the emails that are required.

  3. Slip the file into the new PST folder.

3. Saving the Emails with Attachments

This method only helps with a few emails:

Here are the Steps:

  1. Outlook and  the email

  2. Then, File and click the Save As button.

  3. Save the message in .msg or .html format to keep the attachments.

This is only useful for selective export, but not for large data.

Limitations of Manual Methods

  • They work only if the OST file is usable in Outlook.

  • It cannot handle damaged, unusable, or corrupted OST files.

  • It is very Time-consuming for large mailboxes' data..

  • There is a Risk of missing some attachments during the transfer process.

Export Emails with Attachment from OST File Using a Verified Tool

When manual fixes fail or you need a guaranteed and secure way to export emails with attachments from an OST file, the SysTools OST to PST Converter tool is the most proven option for exporting emails with attachments safely and securely.

Its Key Features:

  • Exports all emails with attachments from OST to PST, EML, MSG, MBOX, PDF, and other file formats.

  • Additionally, it can be used with corrupted, damaged, and unusable OST files.

  • It allows you to export specific folders, emails, or attachments selectively.

  • Also manages the folder structure and safe data without risk.

  • It also supports all editions of Outlook as well as Windows.

Steps to Export Using the Professional Tool:

  1. Download and install the software..

  2. Launch the tool and then click on the add Add File option to browse and load the OST file.

  3. Preview the mailbox items, including emails, attachments, contacts, and calendars.

  4. Pick the items or folders you want to export.

  5. Choose the output File format as PST.

  6. Set the targeted folder and apply options like a date range or a category.

  7. Click Export to start processing.

Conclusion

Exporting emails with attachments from OST files is an important task for Outlook users, especially when coping with problems like transferring files, damaged files, or backup needs. While Outlook’s Import/Export feature and manual tricks can help in some cases, they also fail when OST files are unusable. That’s why a professional tool stands out as the ultimate solution.

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