Single Files

The Single Files format will let you store the email messages as individual files in a folder. You have the option to compress and encrypt them. PDF files can be encrypted or signed with a certificate.

Single Files Tab

Single Files Format

  • Target Format - Select the target format. The following formats are supported: MSG, EML, PDF, MHT, HTM, TXT, RTF, TIF, PNG, JPG, BMP, EMF, WMF.
  • File Encoding - When saving to HTML and TXT you can change the file encoding.
  • Target Folder - Select the root folder where the messages are going to be stored.

Duplicated Files

  • Skip - When the email already exists in the folder, it will be skipped.
  • Rename -  When the email already exists,  it will be saved to disk with a number appended to the filename.
  • Overwrite - Existing emails on the folder will be replaced.


There are three modes for generating the filename:

  • Default - Select the subfolders structure and the pre-defined filename options.
  • Use Advanced Options - Compose the filename using any email field. For advanced file naming options click on the Advanced Options button.
  • Use a Script - Use a script in either Basic or Pascal. For advanced file naming options click on the Script button.

Sub Folders Structure

  • Don't create Sub Folders - All messages will be stored in the target root folder.
  • Like the email client's folder structure - The email client's folder structure will be replicated and created on disk.

Filename Format

You have the following choices for the filename :

  • [date][from][to]id-subject.* (128)
  • [date][from]id-subject.* (96)
  • uniqueId.subject.* (64)
  • uniqueId.* (31)
  • Source Filename.* - Use this option when you use Single Files as a source, to use the original names of the files.


date - Submit Date
from - Sender email address
to  - Recipient first email address
id - MsgId CRC
uniqueId -  27 characters long identifier that guaranty that the filename will be unique.

The number in parenthesis is the resulting filename length without the path. To achieve this length the subject of the message will be trimmed.

Options Tab



  • Put short email headers - When you select this option, short headers containing email information like Sender, Date, Subject, Recipient will be inserted at the top of the target format.
  • Put full email headers – The email headers will be inserted at the top of the target format.
  • Include downloaded images in target - When you select this option the images that are linked in the HTML part of the message will be inserted as inline images in the resulting format. You need to use the download the images first.
  • Embed image attachments in body -
  • Delete messages from the email source after saving -

Compression / Encryption

You can compress the files saved to disk as either Zip or SevenZip. You can change the compression level by moving the slider.

  • Do not compress files
  • Compress files using SevenZip
  • Compress files using Zip

You can also encrypt the files. Depending on the compression used you can use the following algorithms:

  • No compression: AES, Blowfish, CAST, DES, IDEA RC2, RC4, TEA, TripleDES, Twofish.  
  • SevenZip: AES256
  • ZIP: AES256

Keep in mind that if you forget the password, there is no way to recover the compressed files

The MailExplorer program can read and open those ZIP compressed files or encrypted files without prompting for the password every time.

Page Setup

For targets formats like PDF or RTF you can define the paper size, margins and page orientation.

Attachments Tab

Attachments Folder

The following choices are available for the location of the folder for saving the email attachments:

  • Do not extract attachments (default)
  • Common "Attachments" root folder
  • Common "Attachments" folder for each Email Client folder
  • Same folder as message
  • Sub folder named as the message
  • Named as Sender Address
  • Named as Sender Domain
  • Named as Sender Domain\Address

Other options

  • Save Inline Attachments - Emails have regular attachments and inline attachments. These attachments usually are images and pictures that compose the HTML part of the email. This option allows you to save the inline attachments to the attachments folder.
  • Save downloaded images to the attachments folder - When you enable this option, the images that are linked to the HTML part of the email and that have been downloaded, will be copied to the attachments folder.

Attachment Filename

You can alter the attachment filename by selecting email fields. The email fields that you select will be included in the generated filename

For example if you select the submit date and move it before th "Attachment Filename" you will have the attachments saved as:

Submit Date-Attachment Filename.*

PDF Options Tab

When you save your files as PDF you have the following choices for the attachments:

  • Insert email attachments as PDF attachments - The attachments will be inserted in the resulting PDF file, where you can open or save them by clicking on them.
  • Insert email headers as PDF attachment - Use this option if you want to keep the original email headers for reference. They will be inserted as a PDF attachment.
  • Insert email meta data in document - Use this option if you want to embed the email metadata inside the PDF document. This will allow you to convert the PDF files back into an email format and use them as an email source. You need to select the “Insert email attachments as PDF attachments” and the “Insert email headers as PDF attachment” options for this to work
  • Generate a PDF/A document - If you select this option, the PDF files generated will follow the PDF/a specification.

PDF Security Tab

PDF Encryption

  • Encrypt the resulting PDF file - You can encrypt the resulting PDF file by selecting this option. You can also select the encryption level and the user permissions.

PDF Signing

  • Sign the PDF file with a digital signature -  By selecting this option, you can sign the resulting PDF with a certificate.

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