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You may sometimes encounter situations where your images or blob data are not recognised, even though we support that particular image or binary type.
Your blob data is not recognised
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Got a question? If you need help, or have any questions about SQL Image Viewer, please get in touch. support@yohz.com
identifies images and file types automatically identify images and files stored in OLE Object columns export embedded images to Excel spreadsheets supports Access, Firebird, MySQL, Oracle, PostgreSQL, SQL Server, SQL Server Compact, SQLite, and ODBC data sources
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View and export images and

files from your database with

SQL Image Viewer

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It may be because the format we support has additional subtypes that we don’t know about.  It may also be because the application originally used to store the data adds additional details to the file, or compresses it, or encrypts it.  Thus, the data is no longer in the commonly recognised format, but has been modified in some way. If you do not think the data has been modified, please send us a couple of the files so that we may analyse it further.  To do that, select the item, right click to bring up the context menu, and select the Save item... item.
Save the item as a Binary file or OLE file, send the file to us at support@yohz.com, and let us know the expected image type (jpg, png, gif, etc) or binary type (pdf, xlsx, doc, etc).
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We will inspect the file, and try to add support for that format.
For OLE-type files, the unknown format may be displayed in one of 2 ways: