Maximizing Storage Efficiency: Optimizing iMessage on Your Apple Devices
Managing over 55,000 items within the Messages app on Apple devices can quickly become a daunting task. This extensive collection comprises texts, voice notes, images, videos, GIFs, and various other media exchanged across multiple devices. As time goes by, the Messages app has started to claim a substantial portion of storage, coming in just behind the Photos app. Taking proactive steps to declutter has become essential. Acknowledging the need to release unnecessary messages for additional space has proven beneficial. Here’s a guide on how to eliminate clutter in iMessage to recover storage on your iPhone, iPad, Mac, and iCloud.
Effortlessly Recovering iMessage Storage on Your iPhone or iPad

To determine the storage being used by iMessage on your device, navigate to Settings > General > iPhone Storage > Messages. If it has been a while since you last cleared out attachments, you might find yourself facing over 50GB of redundant data.
If you want to delete whole conversations, tap on Top Conversations, followed by the Edit option located at the top-right corner. From there, select the conversations you’d like to delete and click on the Trash icon situated in the same corner. This method can rapidly create space, although it may disrupt group chats; you might need to seek reinvitation to those groups later.
For a more meticulous approach to deleting items, head back to Settings > General > iPhone Storage > Messages. Here, you will find various categories of attachments—images, videos, GIFs, stickers, and Other. Select any category, tap the Edit button, choose the unnecessary attachments, and hit the Trash icon to reclaim storage space.
Preventing iMessage From Consuming Your iPhone Storage

To prevent the accumulation of unnecessary files in iMessage, it’s advisable to enact some preemptive strategies. On your iPhone, navigate to Settings > Apps > Messages, and under the Message History section, tap Keep Messages. You have the option to switch this from Forever to either 30 Days or 1 Year. This adjustment will automatically delete iMessages and attachments that exceed the chosen timeframe. Additionally, under Audio Messages, select Expire and choose After 2 Minutes to obliterate excess voice messages promptly.
Further down the same settings page, activating Low-Quality Image Mode can help lower file sizes for images transmitted via iMessage. While this may result in slightly less clarity in photos and some text within screenshots, it is a practical option if storage is critically needed.
To ensure SMS messages are not inadvertently sent to other Apple devices, access Settings > Apps > Messages, SMS Forwarding and disable forwarding for devices that do not require access to those messages. Keep in mind, this setting will not prevent iMessage conversations from appearing on those devices.
Efficiently Bulk Deleting iMessage Attachments on Your Mac

Similar to your mobile device, freeing up space on your Mac is feasible by removing large attachments in the Messages app. Navigate to System Settings > General > Storage and click the i icon beside Messages. This action will display all sizable attachments residing in the Messages app. To expedite the process, select any attachment, press Command-A to choose all, and simply hit the Delete button to dispose of them rapidly.
Mitigating iMessage’s Impact on Your iCloud Storage

iCloud storage is an essential aspect to consider as well. If messages are encroaching on your iCloud space, navigate to Settings > [YOUR NAME] > iCloud on your iPhone or iPad, then tap Messages. Disable Use on this iPhone to exclude your text messages from iCloud backups and to free up space. Be cognizant that this will cease the synchronization of SMS across Apple devices. For Mac users, this setting can be found under System Settings > [YOUR NAME] > iCloud > Messages.
If a more granular approach is desired, check your iPhone or iPad by going to Settings > [YOUR NAME] > iCloud > Messages > Manage Storage. Tap on Top Conversations to eliminate the chats you wish to exclude from iCloud. If complete removal is preferred, revisit the previous section and select Turn Off and Delete from iCloud to erase Messages entirely from iCloud.