When you save email conversations to OneDrive, you can select from  the following options for attachment filename formats:

  1. email message filename – attachment_name
  2. attachment_name
  3. date attachment_name
  4. [from] date attachment_name
  5. [to] [from] date attachment_name

email message filename – attachment_name

For example, if you select one email conversation which has two attachments:

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…each attachment is saved using the email message filename – attachment_name format:
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attachment_name

For example, if you select one email conversation which has two attachments:

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…each attachment is saved using the attachment_name format:
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date attachment_name

For example, if you select one email conversation which has two attachments:

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…each attachment is saved using date attachment_name format:
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[from] date attachment_name

For example, if you select one email conversation which has two attachments:

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…each conversation is saved using [from] date attachment_name format:
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[to] [from] date attachment_name

For example, if you select one email conversation which has two attachments:

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…each attachment is saved using [to] [from] date attachment_name format:
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