Ways to distribute a file:
Enhancing the Application
If you can change the app, you could add support to the App to read the file from some server. Some hints here:
http://www.ibm.com/developerworks/library/mo-ios-push/
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Syncing files:
For syncing pc or mac folders to iPad applications.
"Using SugarSync, you simply designate folders that you want to “sync” to the cloud and it keeps everything in sync anytime you make changes. This is the way cloud storage should be done and especially if you are using your iPad for buisness or for school."
http://www.tcgeeks.com/best-ipad-cloud-sync-app/
Doug says:
"This can be done with Dropbox as well using one of the many Dropbox addons…"
http://wiki.dropbox.com/DropboxAddons
The only potential downside is that so many apps for the iPhone/iPad come with Dropbox sync built in which makes it extremely convenient.
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more traditional file transfers
Look in the app store for accessing Windows File servers.
for example:
http://itunes.apple.com/us/app/filebrowser-access-files-on/id364738545?mt=8
Configure WebDave on your server.
This thread has good info.
https://discussions.apple.com/thread/3708341?tstart=0
How to transfer files from your iPad to your PC with iPad to Computer Transfer
http://www.iphone-mac.com/how-to-transfer-and-sync-contents-from-ipad-to-pc.html
More ways to transfer files and access Word documents:
https://discussions.apple.com/thread/4044866?tstart=0
Try the combo of:
Diskaid on your computer and FileAppPro on your iPad
Good old FTP
FileApp and FileApp Pro
I use Mac OS pureFTP server. It comes as part of PureFTPd Manager software download at this site.
http://www.macupdate.com/info.php/id/12630
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Download in a web browse
download in a web browser. Rename in GoodReader(Lite)
by ddkilzer
"One way to work around this is to use an app like GoodReader(Lite) that you can send the file to, rename it, then try to open it again in iSpreadsheet or DocsToGo. "
https://discussions.apple.com/thread/4756661?answerId=21076485022#21076485022
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email
email the file