diff --git a/src/CONST.js b/src/CONST.js
index 48206b8f9755..753e47739c1a 100755
--- a/src/CONST.js
+++ b/src/CONST.js
@@ -799,6 +799,7 @@ const CONST = {
         AFTER_FIRST_LINE_BREAK: /\n.*/g,
         CODE_2FA: /^\d{6}$/,
         ATTACHMENT_ID: /chat-attachments\/(\d+)/,
+        MERGED_ACCOUNT_PREFIX: /^(MERGED_\d+@)/,
     },
 
     PRONOUNS: {
diff --git a/src/libs/ReportActionsUtils.js b/src/libs/ReportActionsUtils.js
index bb67b2fb39b6..f260bbc4c58d 100644
--- a/src/libs/ReportActionsUtils.js
+++ b/src/libs/ReportActionsUtils.js
@@ -7,7 +7,6 @@ import moment from 'moment';
 import * as CollectionUtils from './CollectionUtils';
 import CONST from '../CONST';
 import ONYXKEYS from '../ONYXKEYS';
-import * as ReportUtils from './ReportUtils';
 
 const allReportActions = {};
 Onyx.connect({
@@ -170,7 +169,9 @@ function getLastVisibleMessageText(reportID, actionsToMerge = {}) {
 
     const parser = new ExpensiMark();
     const messageText = parser.htmlToText(htmlText);
-    return ReportUtils.formatReportLastMessageText(messageText);
+    return String(messageText)
+        .replace(CONST.REGEX.AFTER_FIRST_LINE_BREAK, '')
+        .substring(0, CONST.REPORT.LAST_MESSAGE_TEXT_MAX_LENGTH);
 }
 
 export {
diff --git a/src/libs/ReportUtils.js b/src/libs/ReportUtils.js
index c2b6d107c326..d6acdb0ffb5d 100644
--- a/src/libs/ReportUtils.js
+++ b/src/libs/ReportUtils.js
@@ -14,6 +14,7 @@ import Navigation from './Navigation/Navigation';
 import ROUTES from '../ROUTES';
 import * as NumberUtils from './NumberUtils';
 import * as NumberFormatUtils from './NumberFormatUtils';
+import * as ReportActionsUtils from './ReportActionsUtils';
 import Permissions from './Permissions';
 import DateUtils from './DateUtils';
 import linkingConfig from './Navigation/linkingConfig';
@@ -72,7 +73,7 @@ let doesDomainHaveApprovedAccountant;
 Onyx.connect({
     key: ONYXKEYS.ACCOUNT,
     waitForCollectionCallback: true,
-    callback: val => doesDomainHaveApprovedAccountant = val.doesDomainHaveApprovedAccountant,
+    callback: val => doesDomainHaveApprovedAccountant = val.doesDomainHaveApprovedAccountant || false,
 });
 
 function getChatType(report) {
@@ -654,6 +655,39 @@ function getDisplayNamesWithTooltips(participants, isMultipleParticipantReport)
     });
 }
 
+/**
+ * Get the title for a policy expense chat which depends on the role of the policy member seeing this report
+ *
+ * @param {Object} report
+ * @param {Object} [policies]
+ * @returns {String}
+ */
+function getPolicyExpenseChatName(report, policies = {}) {
+    const reportOwnerDisplayName = getDisplayNameForParticipant(report.ownerEmail) || report.ownerEmail || report.reportName;
+
+    // If the policy expense chat is owned by this user, use the name of the policy as the report name.
+    if (report.isOwnPolicyExpenseChat) {
+        return getPolicyName(report, policies);
+    }
+
+    const policyExpenseChatRole = lodashGet(policies, [
+        `${ONYXKEYS.COLLECTION.POLICY}${report.policyID}`, 'role',
+    ]) || 'user';
+
+    // If this user is not admin and this policy expense chat has been archived because of account merging, this must be an old workspace chat
+    // of the account which was merged into the current user's account. Use the name of the policy as the name of the report.
+    if (isArchivedRoom(report)) {
+        const lastAction = ReportActionsUtils.getLastVisibleAction(report.reportID);
+        const archiveReason = (lastAction && lastAction.originalMessage && lastAction.originalMessage.reason) || CONST.REPORT.ARCHIVE_REASON.DEFAULT;
+        if (archiveReason === CONST.REPORT.ARCHIVE_REASON.ACCOUNT_MERGED && policyExpenseChatRole !== CONST.POLICY.ROLE.ADMIN) {
+            return getPolicyName(report, policies);
+        }
+    }
+
+    // If user can see this report and they are not its owner, they must be an admin and the report name should be the name of the policy member
+    return reportOwnerDisplayName;
+}
+
 /**
  * Get the title for a report.
  *
@@ -668,8 +702,7 @@ function getReportName(report, policies = {}) {
     }
 
     if (isPolicyExpenseChat(report)) {
-        const reportOwnerDisplayName = getDisplayNameForParticipant(report.ownerEmail) || report.ownerEmail || report.reportName;
-        formattedName = report.isOwnPolicyExpenseChat ? getPolicyName(report, policies) : reportOwnerDisplayName;
+        formattedName = getPolicyExpenseChatName(report, policies);
     }
 
     if (isArchivedRoom(report)) {
diff --git a/src/pages/home/report/ReportActionItemSingle.js b/src/pages/home/report/ReportActionItemSingle.js
index 1df707541092..19d2cc05f58c 100644
--- a/src/pages/home/report/ReportActionItemSingle.js
+++ b/src/pages/home/report/ReportActionItemSingle.js
@@ -19,6 +19,7 @@ import Tooltip from '../../../components/Tooltip';
 import ControlSelection from '../../../libs/ControlSelection';
 import * as ReportUtils from '../../../libs/ReportUtils';
 import OfflineWithFeedback from '../../../components/OfflineWithFeedback';
+import CONST from '../../../CONST';
 
 const propTypes = {
     /** All the data of the action */
@@ -51,13 +52,14 @@ const showUserDetails = (email) => {
 };
 
 const ReportActionItemSingle = (props) => {
+    const actorEmail = props.action.actorEmail.replace(CONST.REGEX.MERGED_ACCOUNT_PREFIX, '');
     const {
         avatar,
         displayName,
         login,
         pendingFields,
-    } = props.personalDetails[props.action.actorEmail] || {};
-    const avatarSource = ReportUtils.getAvatar(avatar, props.action.actorEmail);
+    } = props.personalDetails[actorEmail] || {};
+    const avatarSource = ReportUtils.getAvatar(avatar, actorEmail);
 
     // Since the display name for a report action message is delivered with the report history as an array of fragments
     // we'll need to take the displayName from personal details and have it be in the same format for now. Eventually,
@@ -72,9 +74,9 @@ const ReportActionItemSingle = (props) => {
                 style={[styles.alignSelfStart, styles.mr3]}
                 onPressIn={ControlSelection.block}
                 onPressOut={ControlSelection.unblock}
-                onPress={() => showUserDetails(props.action.actorEmail)}
+                onPress={() => showUserDetails(actorEmail)}
             >
-                <Tooltip text={props.action.actorEmail}>
+                <Tooltip text={actorEmail}>
                     <OfflineWithFeedback
                         pendingAction={lodashGet(pendingFields, 'avatar', null)}
                     >
@@ -92,13 +94,13 @@ const ReportActionItemSingle = (props) => {
                             style={[styles.flexShrink1, styles.mr1]}
                             onPressIn={ControlSelection.block}
                             onPressOut={ControlSelection.unblock}
-                            onPress={() => showUserDetails(props.action.actorEmail)}
+                            onPress={() => showUserDetails(actorEmail)}
                         >
                             {_.map(personArray, (fragment, index) => (
                                 <ReportActionItemFragment
                                     key={`person-${props.action.reportActionID}-${index}`}
                                     fragment={fragment}
-                                    tooltipText={props.action.actorEmail}
+                                    tooltipText={actorEmail}
                                     isAttachment={props.action.isAttachment}
                                     isLoading={props.action.isLoading}
                                     isSingleLine