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MailboxItem.Read.All

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Application Read All Resources

Allows the app to read all the users' mailbox items, without signed-in user.

Permission data: April 6, 2026 at 4:06 AM UTC
Delegated Access App-Only Access

Permission Details

Application Permission

Read all the users' mailbox items

Allows the app to read all the users' mailbox items, without signed-in user.

Properties

Microsoft Graph beta exact-category-docs

Properties is shown from beta metadata because a stable v1.0 schema is not available for this resource mapping.

Property Type Description
categories String collection The categories associated with the message. Inherited from outlookItem.
changeKey StringNullable The version of the item. Inherited from outlookItem.
createdDateTime DateTimeOffsetNullable The date and time when the item was created. The date and time information uses ISO 8601 format and is always in UTC. For example, midnight UTC on Jan 1, 2021 is 2021-01-01T00:00:00Z. Inherited from outlookItem.
id String The unique identifier for the item. Inherited from outlookItem.
lastModifiedDateTime DateTimeOffsetNullable The date and time when the item was last changed. The date and time information uses ISO 8601 format and is always in UTC. For example, midnight UTC on Jan 1, 2021 is 2021-01-01T00:00:00Z. Inherited from outlookItem.
size Int64Nullable The length of the item in bytes.
type StringNullable The message class ID of the item.
multiValueExtendedProperties multiValueLegacyExtendedProperty collection The collection of multi-value extended properties defined for the mailboxItem.
singleValueExtendedProperties singleValueLegacyExtendedProperty collection The collection of single-value extended properties defined for the mailboxItem.

JSON Representation

Microsoft Graph beta exact-category-docs

JSON representation is shown from beta metadata because a stable v1.0 schema is not available for this resource mapping.

JSON representation
{
  "@odata.type": "#microsoft.graph.mailboxItem",
  "categories": [
    "String"
  ],
  "changeKey": "String",
  "createdDateTime": "String (timestamp)",
  "id": "String (identifier)",
  "lastModifiedDateTime": "String (timestamp)",
  "size": "Int64",
  "type": "String"
}

Relationships

Microsoft Graph beta exact-category-docs

Relationships is shown from beta metadata because a stable v1.0 schema is not available for this resource mapping.

Relationship Type Description
multiValueExtendedProperties multiValueLegacyExtendedProperty collection The collection of multi-value extended properties defined for the mailboxItem.
singleValueExtendedProperties singleValueLegacyExtendedProperty collection The collection of single-value extended properties defined for the mailboxItem.
categories string collection The categories associated with the item.

Graph Methods

Delegated access App-only access
Exact Microsoft Learn match

Microsoft Graph v1.0 endpoints are mapped directly from refreshed Microsoft Learn permissions tables.

No API methods available for this version.

Exact Microsoft Learn match

Microsoft Graph beta endpoints are mapped directly from refreshed Microsoft Learn permissions tables.

Methods
GET /admin/exchange/mailboxes/{mailboxId}/folders/{mailboxFolderId}/items
GET /admin/exchange/mailboxes/{mailboxId}/folders/{mailboxFolderId}/items/{mailboxItemId}
GET /admin/exchange/mailboxes/{mailboxId}/folders/{mailboxFolderId}/items/delta
No Microsoft Learn PowerShell mapping available

Microsoft Graph PowerShell v1.0 commands are not available from refreshed Microsoft Learn PowerShell snippets for this permission.

No deterministic PowerShell command map is available for this permission.

Browse PowerShell docs
No Microsoft Learn PowerShell mapping available

Microsoft Graph PowerShell beta commands are not available from refreshed Microsoft Learn PowerShell snippets for this permission.

No deterministic PowerShell command map is available for this permission.

Browse PowerShell docs

Code Examples

C# / .NET SDK
Get mailboxItem
// Code snippets are only available for the latest version. Current version is 5.x

// To initialize your graphClient, see https://learn.microsoft.com/en-us/graph/sdks/create-client?from=snippets&tabs=csharp
var result = await graphClient.Admin.Exchange.Mailboxes["{mailbox-id}"].Folders["{mailboxFolder-id}"].Items["{mailboxItem-id}"].GetAsync();
JavaScript
Get mailboxItem
const options = {
	authProvider,
};

const client = Client.init(options);

let mailboxItem = await client.api('/admin/exchange/mailboxes/MBX:e0648f21@aab09c93/folders/AAMkAGVmMDEzM/items/AAMkAGI1AAAoZCfHAAA=')
	.version('beta')
	.get();
PowerShell
Connect-MgGraph -Scopes "MailboxItem.Read.All"
Invoke-MgGraphRequest -Method GET -Uri "https://graph.microsoft.com/v1.0/admin/exchange/mailboxes/{id}/folders/{id}/items"
Python
Get mailboxItem
# Code snippets are only available for the latest version. Current version is 1.x
from msgraph_beta import GraphServiceClient
# To initialize your graph_client, see https://learn.microsoft.com/en-us/graph/sdks/create-client?from=snippets&tabs=python

result = await graph_client.admin.exchange.mailboxes.by_mailbox_id('mailbox-id').folders.by_mailbox_folder_id('mailboxFolder-id').items.by_mailbox_item_id('mailboxItem-id').get()

App Registration

1

Navigate to Azure Portal

Go to App registrations in Microsoft Entra admin center

2

Add API Permission

Select your app → API permissions → Add a permission → Microsoft Graph

3

Select Permission Type

Choose Application permissions and search for MailboxItem.Read.All

4

Grant Admin Consent

Application permissions always require admin consent.