Why can't I open PDF documents on my phone?

Why are PDF files greyed out on my iPhone - Adobe

This will happen if you don't have the right viewing software downloaded to your device. The most common type of greyed-out file on iPhone is a PDF. While PDFs are great for maintaining formatting, they require specific software to view. Without a proper reader, your PDF files will be greyed out on your iPhone.
Source : https://www.adobe.com/acrobat/hub/why-pdf-files-are-grey-iphone.html

Why can't i open files on Google?

Can't open a Google file or folder - Computer - Google Drive Help

Try Google Workspace today! If a file won't open, a few things could be wrong: The file owner didn't give you permission to open the file. You're signed in to a different Google Account.
Source : https://support.google.com/drive/answer/6211862?hl=en&co=GENIE.Platform%3DDesktop

What is Ctrl+T?

Keyboard Shortcuts for Chrome

Ctrl+T. Opens a new window in incognito mode. Ctrl+Shift+N. Opens a file from your computer in Google Chrome. PressCtrl+O, then select file.
Source : https://www.dca.ca.gov/about_us/kbs_chrome.shtml

Why can't I download online?

Can't download anything - Google Chrome Community

Ensure your internet connection is active and restart the router once to clear its cache. Enable a VPN to ensure your IP address isn't blocked by the website where you're downloading files. If it is already enabled, turn it off and try downloading again. Ensure Chrome is up-to-date.May 19, 2023
Source : https://support.google.com/chrome/thread/216501958/can-t-download-anything?hl=en

How do I open my files on my iPhone?

Find files on your iPhone or iPad in the Files app - Apple Support

How to find your files in the Files appOn your iPhone or iPad, open the Files app. Don't see the blue Files app icon on your Home Screen? Just swipe down, then search for the Files app.In the Files app, search or browse for the file that you want.Mar 13, 2024
Source : https://support.apple.com/en-us/102570

Where can I find downloaded files in Safari?

How to Download Files on Safari | Browser Tips - SigmaOS

Once you start a download, you can see its status by clicking on the downloads arrow on the toolbar. You can also access the download manager from the Safari menu under the Window" option. When you access the download manager
Source : https://sigmaos.com/tips/browsers/how-to-download-files-on-safari