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How to Convert OST Files to PDF Format?

New Here ,
Apr 25, 2025 Apr 25, 2025

I have a few OST (Offline Storage Table) files from my Outlook account that I need to convert to PDF for easier storage and access. I’ve tried searching online for converters, but I’m unsure about which one is reliable and works well for OST to PDF conversion. Could someone suggest the best tools or methods to convert these files without losing any data? Any detailed solution or step-by-step guide would be greatly appreciated!

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Edit and convert PDFs , PDF , PDF forms
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1 ACCEPTED SOLUTION
Adobe Employee ,
Aug 22, 2025 Aug 22, 2025

Hello @Harrywilliam01

 

I hope you are doing well, and we are sorry for the delayed response.

 

Please see this article to learn more about converting emails to PDF: Convert emails to PDFs

 

Please note: You can’t convert an .OST file directly to PDF with Acrobat. OST is an Outlook data cache, not a document. The reliable, supported path is: open the mailbox in Outlook (Classic desktop), then use Acrobat PDFMaker for Outlook to convert the needed emails (and attachments) to PDF—either as individual PDFs or a single PDF (or PDF Portfolio).

 

Thanks,

Anand Sri.

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New Here ,
Jul 31, 2025 Jul 31, 2025

Thanks for the information. It's very helpful.

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Adobe Employee ,
Aug 22, 2025 Aug 22, 2025

Hello @Harrywilliam01

 

I hope you are doing well, and we are sorry for the delayed response.

 

Please see this article to learn more about converting emails to PDF: Convert emails to PDFs

 

Please note: You can’t convert an .OST file directly to PDF with Acrobat. OST is an Outlook data cache, not a document. The reliable, supported path is: open the mailbox in Outlook (Classic desktop), then use Acrobat PDFMaker for Outlook to convert the needed emails (and attachments) to PDF—either as individual PDFs or a single PDF (or PDF Portfolio).

 

Thanks,

Anand Sri.

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Community Beginner ,
Aug 26, 2025 Aug 26, 2025

OST files can’t be directly saved as PDF, but you can do it manually or with a tool. For a few emails, open them in Outlook and use File > Print > Microsoft Print to PDF. For bulk conversion, use a reliable tool like BitRecover OST to PST Converter, which also supports OST to PDF. Just load your OST, select PDF as output, and convert. It preserves attachments, metadata, and folder structure. Ideal for large OST files where manual export isn’t practical.

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Adobe Employee ,
Aug 27, 2025 Aug 27, 2025
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Hello @Ethereal_member9622

 

I hope you are doing well, and thank you for sharing the additional information, which will help the other users in the community experiencing similar issues.

 

Thanks,
Anand Sri | Acrobat Community Team
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