Why can't i open a file on my iPhone?

If a media file doesn't open or play on your Apple device

Older or specialized formats might not work as expected if your device, its operating system, or the app you're using to view or play the file doesn't support the file's format. Install all available Apple software updates for your device, such as updates for your Mac or updates for your iPhone or iPad.
Source : https://support.apple.com/en-us/102644

What is Google Docs called now?

Google Workspace - Wikipedia

Google Workspace comprises Gmail, Chat, Meet, Calendar, Drive for storage; Docs, Sheets, Slides, Forms, Keep for notes, Sites for collaboration, Apps Script for building low-code/no-code business applications; and an Admin panel and Vault for managing users and the services.
Source : https://en.wikipedia.org/wiki/Google_Workspace

Can I access my computer files from my phone?

Access another computer with Chrome Remote Desktop - Android

Access a computer remotelyOn your Android device, open the Chrome Remote Desktop app . ... To find the “Remote Access” page, tap Menu Remote Access .From the list, tap the computer you want to access. ... Enter the PIN.To continue, tap the Arrow .Control the computer with a virtual trackpad.
Source : https://support.google.com/chrome/answer/1649523?hl=en&co=GENIE.Platform%3DAndroid

How do I change my browser to open PDF Files?

Change default PDF viewer and set Adobe as default | Adobe Acrobat

You can easily change your default PDF viewer from Windows 10 to Microsoft Edge by following these instructions:Go to Settings.Select Apps.Choose Default apps.Select the Choose default app by file type option.Select the current default app for the PDF file format and choose the app you want to make the new default.
Source : https://www.adobe.com/acrobat/hub/how-to-change-your-default-pdf-viewer.html

Do I need an app for Google Docs?

Google Docs: Using Google Docs on a Mobile Device - GCFGlobal

The Google Docs app allows you to view and edit your files, but if you want to create folders and organize them you'll need to download the Google Drive app as well. The Google Drive app is available for both iOS and Android.
Source : https://edu.gcfglobal.org/en/googledocuments/using-google-docs-on-a-mobile-device/1/

Which app can open Google files?

Google Drive – Apps on Google Play

About this app Google Drive, part of Google Workspace, is a safe place to back up and access all your files from any device. Easily invite others to view, edit or leave comments on any of your files or folders.
Source : https://play.google.com/store/apps/details/Google_Drive?id=com.google.android.apps.docs&hl=en_NZ