Need help? Reach us at 
+1 (855) 418-2323
Need help? Reach us at
+1 (855) 418-2323
File Converters TIFF and PDF apps Forensic Freeware1) Upload OST file to convert
Drop files here, or Click to select
Allowed file types: pst, ost, eml, msg, mime, smime, p7m, mbox, dbx, vcf, asice, cpgz, lzh, tar
2) Set converting OST to HTML options
3) Get converted file
Total Mail Converter
Convert emails from multiple sources to a variety of formats.Filter emails that you want to process with our 2-level filtering.Useful data saving options - convert only necessary data from your emails.Unique output files formatting options specify how your files will look.Affordable Price - pay once for a lifetime license with no hidden fees.Command Line Support - convert emails via command line.Fast batch conversion - convert multiple emails simultaneously.High security options - protect your output PDF files.Various file naming and date saving options - organize your output files easily.Variety of attachment saving options - choose how to save attachments.Trust - you can rely on powerful email converters from CoolUtils.Easy to use even for beginners - enjoy clear user-friendly interface.
Upload Your File: Go to the site, click on «Upload File,» and select your OST file.
Set Conversion Options: Choose HTML as the output format and adjust any additional options if needed.
Convert and Download: Click «Download Converted File» to get your HTML file.
| File extension | .OST |
| Category | File |
| Description | OST is an offline data file used by Microsoft Outlook to store emails, calendars, and other information when working in cached mode with an Exchange server. |
| Associated programs | Microsoft Outlook, SysTools OST Viewer, Kernel OST Viewer |
| Developed by | Microsoft |
| MIME type | application/vnd.ms-outlook |
| Useful links | https://www.file-extensions.org/ost-file-extension More detailed information on OST files |
| Conversion type | OST to HTML |
| File extension | .HTML |
| Category | Document File |
| Description | HTML allows creating structured documents and web pages. HTML file contains command tags in angular brackets that mark out each element like title, paragraphs, quotes, links, lists, etc. Web-pages generated with HTML have .html extension (for a static web-page). HTML code is processed by a browser, while user sees only the text and other elements of the page without any tags. The source code can be viewed separately. HTML files can be edited in a common text editor like a TXT file. |
| Associated programs | Any Web Browser (e.g. Internet Explorer, Safari, Firefox, Google Chrome) |
| Developed by | World Wide Web Consortium & WHATWG |
| MIME type | text/html |
| Useful links | More detailed information on HTML files |
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