尽管已将Outlook设置为默认电子邮件客户端，但某些用户有时可能会收到以下一般错误消息 -没有默认邮件客户端或当前邮件客户端无法满足消息传递请求，请运行 Microsoft Outlook 并将其设置为默认邮件客户端，^{(Either there is no default mail client or the current mail client cannot fulfill the messaging request, Please run Microsoft Outlook and set it as the default mail client,)}当他们尝试在其 Windows 10 PC 上执行与电子邮件相关的操作时。在这篇文章中，我们将介绍此错误消息的变体，确定原因，然后提供可能的解决方案来帮助缓解此问题。

当前邮件客户端无法完成消息请求

您可能收到的此Outlook^(Outlook)错误消息的变体取决于您尝试在 PC 上执行的操作。以下是错误消息的变体：

在Windows Explorer中，您尝试将文件发送给邮件收件人并收到错误：

Either there is no default mail client or the current mail client cannot fulfill the messaging request. Please run Microsoft Outlook and set it as the default mail client.

在Microsoft Excel 中^{(Microsoft Excel)}，您尝试通过电子邮件将电子表格作为附件共享并收到错误：

要么没有默认邮件客户端，要么当前的邮件客户端无法满足消息传递请求。请^(Please)运行Microsoft Outlook并将其设置为默认邮件客户端。

一般^(General)邮件失败。退出 Microsoft Excel^{(Quit Microsoft Excel)}，重新启动邮件系统，然后重试。

在Microsoft PowerPoint中，您尝试通过电子邮件将演示文稿作为附件共享并收到错误：

Either there is no default mail client or the current mail client cannot fulfill the messaging request. Please run Microsoft Outlook and set it as the default mail client.

There was a general failure with the e-mail system and this action could not be completed.

在Microsoft Word中，您尝试通过电子邮件将文档作为附件共享，或者当用户尝试邮件合并并收到错误消息时：

Either there is no default mail client or the current mail client cannot fulfill the messaging request. Please run Microsoft Outlook and set it as the default mail client.

Word couldn’t send mail because of MAPI failure: “Unspecified error”.

无论您遇到此Outlook错误消息的实例，原因都是相同的 - 因此，解决问题的解决方案是相同的。

出现此问题的原因是 MSIComponentID 设置为您正在运行的Outlook版本的不正确的GUID（全局唯一标识符）。^{(Globally Unique Identifier)}

为了解决这个问题，有三个建议：

1. 将Outlook 设置为默认程序^{(Outlook as the default program)}
2. 执行Microsoft Office 套件安装的修复。
3. 如果修复操作无法解决问题，则应尝试卸载并重新安装Office。

That’s it, folks!

The current mail client cannot fulfill the messaging request - Outlook error

Some users deѕpite having ѕet Outlook as their defaυlt email client might sometimes receive the follоwing generic error message – Either there is no default mail client or the current mail client cannot fulfill the messaging request, Please run Microsoft Outlook and set it as the default mail client, when they try to perform an email-related action on their Windows 10 PC. In this post, we will present the variations of this error message, identify the cause and then provide the possible solution to help mitigate this issue.

The current mail client cannot fulfill the messaging request

The variant of this Outlook error message that you might receive depends on the action you are trying to perform on your PC. The following are the variations of the error message:

In Windows Explorer, you attempt to send a file to a mail recipient and receive the error:

Either there is no default mail client or the current mail client cannot fulfill the messaging request. Please run Microsoft Outlook and set it as the default mail client.

In Microsoft Excel, you attempt to share a spreadsheet as an attachment by email and receives the error:

Either there is no default mail client or the current mail client cannot fulfill the messaging request. Please run Microsoft Outlook and set it as the default mail client.

General mail failure. Quit Microsoft Excel, restart the mail system, and try again.

In Microsoft PowerPoint, you attempt to share a presentation as an attachment by email and receives the error:

Either there is no default mail client or the current mail client cannot fulfill the messaging request. Please run Microsoft Outlook and set it as the default mail client.

There was a general failure with the e-mail system and this action could not be completed.

In Microsoft Word, you attempt to share a document as an attachment by email or when a user attempts a mail merge and receives the error:

Either there is no default mail client or the current mail client cannot fulfill the messaging request. Please run Microsoft Outlook and set it as the default mail client.

Word couldn’t send mail because of MAPI failure: “Unspecified error”.

Regardless of the instance of this Outlook error message you are faced with, the cause is the same – consequently, the solution to fix the issue is the same.

This problem occurs because the MSIComponentID is set to an improper GUID (Globally Unique Identifier) for the version of Outlook you’re running.

To resolve this issue, there are three suggestions:

1. Set Outlook as the default program
2. Perform a Repair of the Microsoft Office suite installation.
3. If the repair operation fails to resolve the issue, then you should try uninstalling and reinstalling Office.

That’s it, folks!

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